[maven-release-plugin] prepare release optiq-0.9.0-incubating
diff --git a/avatica/pom.xml b/avatica/pom.xml
index 5545954..1340c1b 100644
--- a/avatica/pom.xml
+++ b/avatica/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.optiq</groupId>
     <artifactId>optiq</artifactId>
-    <version>0.9.0-incubating-SNAPSHOT</version>
+    <version>0.9.0-incubating</version>
   </parent>
 
   <artifactId>optiq-avatica</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-incubating-SNAPSHOT</version>
+  <version>0.9.0-incubating</version>
   <name>Optiq Avatica</name>
   <description>JDBC driver framework.</description>
 
diff --git a/core/pom.xml b/core/pom.xml
index f644e9d..27dbf2a 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.optiq</groupId>
     <artifactId>optiq</artifactId>
-    <version>0.9.0-incubating-SNAPSHOT</version>
+    <version>0.9.0-incubating</version>
   </parent>
 
   <artifactId>optiq-core</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-incubating-SNAPSHOT</version>
+  <version>0.9.0-incubating</version>
   <name>Optiq Core</name>
   <description>Core Optiq APIs and engine.</description>
 
diff --git a/mongodb/pom.xml b/mongodb/pom.xml
index 2d6bb34..6fade96 100644
--- a/mongodb/pom.xml
+++ b/mongodb/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.optiq</groupId>
     <artifactId>optiq</artifactId>
-    <version>0.9.0-incubating-SNAPSHOT</version>
+    <version>0.9.0-incubating</version>
   </parent>
 
   <artifactId>optiq-mongodb</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-incubating-SNAPSHOT</version>
+  <version>0.9.0-incubating</version>
   <name>Optiq MongoDB</name>
   <description>MongoDB adapter for Optiq.</description>
 
diff --git a/plus/pom.xml b/plus/pom.xml
index d952425..45a5753 100644
--- a/plus/pom.xml
+++ b/plus/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.optiq</groupId>
     <artifactId>optiq</artifactId>
-    <version>0.9.0-incubating-SNAPSHOT</version>
+    <version>0.9.0-incubating</version>
   </parent>
 
   <artifactId>optiq-plus</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-incubating-SNAPSHOT</version>
+  <version>0.9.0-incubating</version>
   <name>Optiq Plus</name>
   <description>Miscellaneous extras for Optiq.</description>
 
diff --git a/pom.xml b/pom.xml
index 5251e72..07983eb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
   <groupId>org.apache.optiq</groupId>
   <artifactId>optiq</artifactId>
   <packaging>pom</packaging>
-  <version>0.9.0-incubating-SNAPSHOT</version>
+  <version>0.9.0-incubating</version>
 
   <!-- More project information. -->
   <name>Optiq</name>
@@ -59,7 +59,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-optiq.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-optiq.git</developerConnection>
     <url>https://github.com/apache/incubator-optiq</url>
-    <tag>HEAD</tag>
+    <tag>optiq-0.9.0-incubating</tag>
   </scm>
 
   <modules>
diff --git a/spark/pom.xml b/spark/pom.xml
index c354710..4af9306 100644
--- a/spark/pom.xml
+++ b/spark/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.optiq</groupId>
     <artifactId>optiq</artifactId>
-    <version>0.9.0-incubating-SNAPSHOT</version>
+    <version>0.9.0-incubating</version>
   </parent>
 
   <artifactId>optiq-spark</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-incubating-SNAPSHOT</version>
+  <version>0.9.0-incubating</version>
   <name>Optiq Spark</name>
 
   <properties>
diff --git a/splunk/pom.xml b/splunk/pom.xml
index a71c932..cd8193c 100644
--- a/splunk/pom.xml
+++ b/splunk/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.optiq</groupId>
     <artifactId>optiq</artifactId>
-    <version>0.9.0-incubating-SNAPSHOT</version>
+    <version>0.9.0-incubating</version>
   </parent>
 
   <artifactId>optiq-splunk</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-incubating-SNAPSHOT</version>
+  <version>0.9.0-incubating</version>
   <name>Optiq Splunk</name>
   <description>Splunk adapter for Optiq; also a JDBC driver for Splunk.</description>
 
diff --git a/ubenchmark/pom.xml b/ubenchmark/pom.xml
index bbca33d..7df6e83 100644
--- a/ubenchmark/pom.xml
+++ b/ubenchmark/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.optiq</groupId>
     <artifactId>optiq</artifactId>
-    <version>0.9.0-incubating-SNAPSHOT</version>
+    <version>0.9.0-incubating</version>
   </parent>
 
   <properties>