[maven-release-plugin] prepare release apache-lens-2.1.0-beta-incubating
diff --git a/checkstyle/pom.xml b/checkstyle/pom.xml
index ee1aaa4..86ab927 100644
--- a/checkstyle/pom.xml
+++ b/checkstyle/pom.xml
@@ -17,8 +17,7 @@
   limitations under the License.
 -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -30,7 +29,7 @@
   <groupId>org.apache.lens</groupId>
   <artifactId>checkstyle</artifactId>
   <name>Lens Checkstyle Rules</name>
-  <version>2.1.0-beta-incubating-SNAPSHOT</version>
+  <version>2.1.0-beta-incubating</version>
 
   <build>
     <plugins>
@@ -50,4 +49,8 @@
       </plugin>
     </plugins>
   </build>
+
+  <scm>
+    <tag>apache-lens-2.1.0-beta-incubating</tag>
+  </scm>
 </project>
diff --git a/lens-api/pom.xml b/lens-api/pom.xml
index dba7fd9..c69119e 100644
--- a/lens-api/pom.xml
+++ b/lens-api/pom.xml
@@ -19,14 +19,13 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens API</name>
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-api</artifactId>
diff --git a/lens-cli/pom.xml b/lens-cli/pom.xml
index fc2ad64..071986e 100644
--- a/lens-cli/pom.xml
+++ b/lens-cli/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens CLI</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <properties>
diff --git a/lens-client/pom.xml b/lens-client/pom.xml
index 4675797..f6e1ae1 100644
--- a/lens-client/pom.xml
+++ b/lens-client/pom.xml
@@ -19,13 +19,12 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-client</artifactId>
diff --git a/lens-cube/pom.xml b/lens-cube/pom.xml
index 2723e3f..346301c 100644
--- a/lens-cube/pom.xml
+++ b/lens-cube/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Cube</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-cube</artifactId>
diff --git a/lens-dist/pom.xml b/lens-dist/pom.xml
index adbd6be..d47c8f0 100644
--- a/lens-dist/pom.xml
+++ b/lens-dist/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Distribution</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-dist</artifactId>
diff --git a/lens-driver-hive/pom.xml b/lens-driver-hive/pom.xml
index 080c8f5..b23b136 100644
--- a/lens-driver-hive/pom.xml
+++ b/lens-driver-hive/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Hive Driver</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <properties>
diff --git a/lens-driver-jdbc/pom.xml b/lens-driver-jdbc/pom.xml
index 09fe318..eaddaef 100644
--- a/lens-driver-jdbc/pom.xml
+++ b/lens-driver-jdbc/pom.xml
@@ -19,14 +19,13 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Driver for JDBC</name>
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-driver-jdbc</artifactId>
diff --git a/lens-examples/pom.xml b/lens-examples/pom.xml
index 2ab646c..31c9f42 100644
--- a/lens-examples/pom.xml
+++ b/lens-examples/pom.xml
@@ -19,14 +19,13 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Examples</name>
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-examples</artifactId>
diff --git a/lens-ml-dist/pom.xml b/lens-ml-dist/pom.xml
index 7b6f760..97459b4 100644
--- a/lens-ml-dist/pom.xml
+++ b/lens-ml-dist/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
     
   <artifactId>lens-ml-dist</artifactId>
diff --git a/lens-ml-lib/pom.xml b/lens-ml-lib/pom.xml
index 45a127e..267cedb 100644
--- a/lens-ml-lib/pom.xml
+++ b/lens-ml-lib/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens ML Lib</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <properties>
diff --git a/lens-query-lib/pom.xml b/lens-query-lib/pom.xml
index cc7564f..46c5b53 100644
--- a/lens-query-lib/pom.xml
+++ b/lens-query-lib/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Query Library</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-query-lib</artifactId>
diff --git a/lens-regression/pom.xml b/lens-regression/pom.xml
index 07441bc..b5d34bf 100644
--- a/lens-regression/pom.xml
+++ b/lens-regression/pom.xml
@@ -19,14 +19,13 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Regression</name>
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-regression</artifactId>
diff --git a/lens-server-api/pom.xml b/lens-server-api/pom.xml
index aa2ef59..392d883 100644
--- a/lens-server-api/pom.xml
+++ b/lens-server-api/pom.xml
@@ -19,13 +19,12 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-server-api</artifactId>
diff --git a/lens-server/pom.xml b/lens-server/pom.xml
index d7752d7..3228930 100644
--- a/lens-server/pom.xml
+++ b/lens-server/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens Server</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <properties>
diff --git a/lens-storage-db/pom.xml b/lens-storage-db/pom.xml
index 3411fa2..2b41bd0 100644
--- a/lens-storage-db/pom.xml
+++ b/lens-storage-db/pom.xml
@@ -19,15 +19,14 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <name>Lens DB storage</name>
 
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.1.0-beta-incubating-SNAPSHOT</version>
+    <version>2.1.0-beta-incubating</version>
   </parent>
 
   <artifactId>lens-storage-db</artifactId>
diff --git a/pom.xml b/pom.xml
index 66f7824..58185b1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,8 +19,7 @@
   under the License.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -110,7 +109,7 @@
 
   <groupId>org.apache.lens</groupId>
   <artifactId>apache-lens</artifactId>
-  <version>2.1.0-beta-incubating-SNAPSHOT</version>
+  <version>2.1.0-beta-incubating</version>
   <name>Lens</name>
   <packaging>pom</packaging>
   <description>Unified Analytics Platform</description>
@@ -285,7 +284,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-lens.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-lens.git</developerConnection>
     <url>https://git-wip-us.apache.org/repos/asf/incubator-lens.git</url>
-    <tag>HEAD</tag>
+    <tag>apache-lens-2.1.0-beta-incubating</tag>
   </scm>
 
   <reporting>
@@ -551,7 +550,7 @@
           <dependency>
             <groupId>org.apache.lens</groupId>
             <artifactId>checkstyle</artifactId>
-            <version>2.1.0-beta-incubating-SNAPSHOT</version>
+            <version>2.1.0-beta-incubating</version>
           </dependency>
         </dependencies>
         <executions>
@@ -1213,7 +1212,7 @@
               <dependency>
                 <groupId>org.apache.lens</groupId>
                 <artifactId>checkstyle</artifactId>
-                <version>2.1.0-beta-incubating-SNAPSHOT</version>
+                <version>2.1.0-beta-incubating</version>
               </dependency>
             </dependencies>
             <executions>