[maven-release-plugin] prepare release druid-0.6.21
diff --git a/cassandra-storage/pom.xml b/cassandra-storage/pom.xml
index 9175e18..b3197d9 100644
--- a/cassandra-storage/pom.xml
+++ b/cassandra-storage/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/common/pom.xml b/common/pom.xml
index eacc329..cd94dd0 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/examples/pom.xml b/examples/pom.xml
index 55f63e7..7a456ae 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/hdfs-storage/pom.xml b/hdfs-storage/pom.xml
index d26a8ee..d4d62e9 100644
--- a/hdfs-storage/pom.xml
+++ b/hdfs-storage/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/indexing-hadoop/pom.xml b/indexing-hadoop/pom.xml
index 17f27c4..04d004c 100644
--- a/indexing-hadoop/pom.xml
+++ b/indexing-hadoop/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/indexing-service/pom.xml b/indexing-service/pom.xml
index d151c81..d7ce0d5 100644
--- a/indexing-service/pom.xml
+++ b/indexing-service/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/kafka-eight/pom.xml b/kafka-eight/pom.xml
index 7436c70..41217ba 100644
--- a/kafka-eight/pom.xml
+++ b/kafka-eight/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/kafka-seven/pom.xml b/kafka-seven/pom.xml
index 94125e7..a6ffb10 100644
--- a/kafka-seven/pom.xml
+++ b/kafka-seven/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index 06a3942..eb5570c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,14 +23,14 @@
     <groupId>io.druid</groupId>
     <artifactId>druid</artifactId>
     <packaging>pom</packaging>
-    <version>0.6.21-SNAPSHOT</version>
+    <version>0.6.21</version>
     <name>druid</name>
     <description>druid</description>
     <scm>
         <connection>scm:git:ssh://git@github.com/metamx/druid.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/metamx/druid.git</developerConnection>
         <url>http://www.github.com/metamx/druid</url>
-        <tag>${project.artifactId}-${project.version}</tag>
+        <tag>druid-0.6.21</tag>
     </scm>
 
     <prerequisites>
diff --git a/processing/pom.xml b/processing/pom.xml
index b55c92e..0b92ec2 100644
--- a/processing/pom.xml
+++ b/processing/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/s3-extensions/pom.xml b/s3-extensions/pom.xml
index de24a7b..cd6dac4 100644
--- a/s3-extensions/pom.xml
+++ b/s3-extensions/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/server/pom.xml b/server/pom.xml
index 6741bfc..8604392 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>
diff --git a/services/pom.xml b/services/pom.xml
index 5af12cf..252c5e9 100644
--- a/services/pom.xml
+++ b/services/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>io.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.6.21-SNAPSHOT</version>
+        <version>0.6.21</version>
     </parent>
 
     <dependencies>