[maven-release-plugin] prepare for next development iteration
diff --git a/checkstyle/pom.xml b/checkstyle/pom.xml
index db378e2..0076790 100644
--- a/checkstyle/pom.xml
+++ b/checkstyle/pom.xml
@@ -29,7 +29,7 @@
   <groupId>org.apache.lens</groupId>
   <artifactId>checkstyle</artifactId>
   <name>Lens Checkstyle Rules</name>
-  <version>2.7.0</version>
+  <version>2.7.1-SNAPSHOT</version>
 
   <build>
     <plugins>
@@ -49,8 +49,4 @@
       </plugin>
     </plugins>
   </build>
-
-  <scm>
-    <tag>apache-lens-2.7.0</tag>
-  </scm>
 </project>
diff --git a/contrib/clients/pom.xml b/contrib/clients/pom.xml
index 4eeba9a..260cac7 100644
--- a/contrib/clients/pom.xml
+++ b/contrib/clients/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>lens-contrib</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-contrib-clients</artifactId>
diff --git a/contrib/clients/python/pom.xml b/contrib/clients/python/pom.xml
index f3969cb..039d29d 100644
--- a/contrib/clients/python/pom.xml
+++ b/contrib/clients/python/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>lens-contrib-clients</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-python-client</artifactId>
diff --git a/contrib/pom.xml b/contrib/pom.xml
index 7ce7982..d3d14e8 100644
--- a/contrib/pom.xml
+++ b/contrib/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-contrib</artifactId>
diff --git a/lens-api/pom.xml b/lens-api/pom.xml
index ab3cd25..b36e3c5 100644
--- a/lens-api/pom.xml
+++ b/lens-api/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-api</artifactId>
diff --git a/lens-cli/pom.xml b/lens-cli/pom.xml
index e0e0b53..b09d826 100644
--- a/lens-cli/pom.xml
+++ b/lens-cli/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/lens-client/pom.xml b/lens-client/pom.xml
index bc85772..1591fb2 100644
--- a/lens-client/pom.xml
+++ b/lens-client/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/lens-cube/pom.xml b/lens-cube/pom.xml
index 855daba..7a7cb03 100644
--- a/lens-cube/pom.xml
+++ b/lens-cube/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-cube</artifactId>
diff --git a/lens-dist/pom.xml b/lens-dist/pom.xml
index e82a5a1..22b6ca5 100644
--- a/lens-dist/pom.xml
+++ b/lens-dist/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-dist</artifactId>
diff --git a/lens-driver-es/pom.xml b/lens-driver-es/pom.xml
index f64846a..5b3f61f 100644
--- a/lens-driver-es/pom.xml
+++ b/lens-driver-es/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.lens</groupId>
     <artifactId>apache-lens</artifactId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-driver-es</artifactId>
diff --git a/lens-driver-hive/pom.xml b/lens-driver-hive/pom.xml
index ef95d7a..08ecff2 100644
--- a/lens-driver-hive/pom.xml
+++ b/lens-driver-hive/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/lens-driver-jdbc/pom.xml b/lens-driver-jdbc/pom.xml
index c68d0c6..d2164f2 100644
--- a/lens-driver-jdbc/pom.xml
+++ b/lens-driver-jdbc/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-driver-jdbc</artifactId>
diff --git a/lens-examples/pom.xml b/lens-examples/pom.xml
index 25807a8..c9c11a8 100644
--- a/lens-examples/pom.xml
+++ b/lens-examples/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-examples</artifactId>
diff --git a/lens-ml-dist/pom.xml b/lens-ml-dist/pom.xml
index b737028..8a744e5 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>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
     
   <artifactId>lens-ml-dist</artifactId>
diff --git a/lens-ml-lib/pom.xml b/lens-ml-lib/pom.xml
index e2a809e..cc587bb 100644
--- a/lens-ml-lib/pom.xml
+++ b/lens-ml-lib/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/lens-query-lib/pom.xml b/lens-query-lib/pom.xml
index 017cb98..558553d 100644
--- a/lens-query-lib/pom.xml
+++ b/lens-query-lib/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-query-lib</artifactId>
diff --git a/lens-regression/pom.xml b/lens-regression/pom.xml
index fbcb35b..7cde8f0 100644
--- a/lens-regression/pom.xml
+++ b/lens-regression/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-regression</artifactId>
diff --git a/lens-server-api/pom.xml b/lens-server-api/pom.xml
index f3750eb..5ac73da 100644
--- a/lens-server-api/pom.xml
+++ b/lens-server-api/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-server-api</artifactId>
diff --git a/lens-server/pom.xml b/lens-server/pom.xml
index 807e70e..0d99138 100644
--- a/lens-server/pom.xml
+++ b/lens-server/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/lens-ship-jars/pom.xml b/lens-ship-jars/pom.xml
index a3c37cf..1d3cd6e 100644
--- a/lens-ship-jars/pom.xml
+++ b/lens-ship-jars/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-ship-jars</artifactId>
diff --git a/lens-storage-db/pom.xml b/lens-storage-db/pom.xml
index 1b3f9bd..544ef29 100644
--- a/lens-storage-db/pom.xml
+++ b/lens-storage-db/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-storage-db</artifactId>
diff --git a/lens-ui/pom.xml b/lens-ui/pom.xml
index 88a2974..55320c6 100644
--- a/lens-ui/pom.xml
+++ b/lens-ui/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>apache-lens</artifactId>
     <groupId>org.apache.lens</groupId>
-    <version>2.7.0</version>
+    <version>2.7.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>lens-ui</artifactId>
diff --git a/pom.xml b/pom.xml
index 244beaa..d20f105 100644
--- a/pom.xml
+++ b/pom.xml
@@ -127,7 +127,7 @@
 
   <groupId>org.apache.lens</groupId>
   <artifactId>apache-lens</artifactId>
-  <version>2.7.0</version>
+  <version>2.7.1-SNAPSHOT</version>
   <name>Lens</name>
   <packaging>pom</packaging>
   <description>Unified Analytics Platform</description>
@@ -378,7 +378,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/lens.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/lens.git</developerConnection>
     <url>https://git-wip-us.apache.org/repos/asf/lens.git</url>
-    <tag>apache-lens-2.7.0</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <reporting>
@@ -732,7 +732,7 @@
           <dependency>
             <groupId>org.apache.lens</groupId>
             <artifactId>checkstyle</artifactId>
-            <version>2.7.0</version>
+            <version>2.7.1-SNAPSHOT</version>
           </dependency>
         </dependencies>
         <executions>
@@ -1846,7 +1846,7 @@
               <dependency>
                 <groupId>org.apache.lens</groupId>
                 <artifactId>checkstyle</artifactId>
-                <version>2.7.0</version>
+                <version>2.7.1-SNAPSHOT</version>
               </dependency>
             </dependencies>
             <executions>