[maven-release-plugin] prepare release 2.0.21
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 37e46e0..7cbc606 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <artifactId>mina-parent</artifactId>
     <groupId>org.apache.mina</groupId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>distribution</artifactId>
diff --git a/mina-core/pom.xml b/mina-core/pom.xml
index cd140b6..2ef8793 100644
--- a/mina-core/pom.xml
+++ b/mina-core/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-core</artifactId>
diff --git a/mina-example/pom.xml b/mina-example/pom.xml
index 0f2d08b..77a9066 100644
--- a/mina-example/pom.xml
+++ b/mina-example/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-example</artifactId>
diff --git a/mina-filter-compression/pom.xml b/mina-filter-compression/pom.xml
index d303a80..882598a 100644
--- a/mina-filter-compression/pom.xml
+++ b/mina-filter-compression/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-filter-compression</artifactId>
diff --git a/mina-http/pom.xml b/mina-http/pom.xml
index d8589ff..7717d4f 100644
--- a/mina-http/pom.xml
+++ b/mina-http/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-http</artifactId>
diff --git a/mina-integration-beans/pom.xml b/mina-integration-beans/pom.xml
index 333f7ed..ed806db 100644
--- a/mina-integration-beans/pom.xml
+++ b/mina-integration-beans/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-integration-beans</artifactId>
diff --git a/mina-integration-jmx/pom.xml b/mina-integration-jmx/pom.xml
index f7c5ab5..3f75d1f 100644
--- a/mina-integration-jmx/pom.xml
+++ b/mina-integration-jmx/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-integration-jmx</artifactId>
diff --git a/mina-integration-ognl/pom.xml b/mina-integration-ognl/pom.xml
index 8c5299c..0d2ce6f 100644
--- a/mina-integration-ognl/pom.xml
+++ b/mina-integration-ognl/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-integration-ognl</artifactId>
diff --git a/mina-integration-xbean/pom.xml b/mina-integration-xbean/pom.xml
index 999d931..181d67c 100644
--- a/mina-integration-xbean/pom.xml
+++ b/mina-integration-xbean/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/mina-legal/pom.xml b/mina-legal/pom.xml
index 2946514..edfb13b 100644
--- a/mina-legal/pom.xml
+++ b/mina-legal/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.mina</groupId>
         <artifactId>mina-parent</artifactId>
-        <version>2.0.21-SNAPSHOT</version>
+        <version>2.0.21</version>
     </parent>
 
     <artifactId>mina-legal</artifactId>
diff --git a/mina-statemachine/pom.xml b/mina-statemachine/pom.xml
index 9d8e9b3..f9f1c93 100644
--- a/mina-statemachine/pom.xml
+++ b/mina-statemachine/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-statemachine</artifactId>
diff --git a/mina-transport-apr/pom.xml b/mina-transport-apr/pom.xml
index b02fdcf..eedbe02 100644
--- a/mina-transport-apr/pom.xml
+++ b/mina-transport-apr/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-transport-apr</artifactId>
diff --git a/mina-transport-serial/pom.xml b/mina-transport-serial/pom.xml
index 8b19524..3130d93 100644
--- a/mina-transport-serial/pom.xml
+++ b/mina-transport-serial/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.mina</groupId>
     <artifactId>mina-parent</artifactId>
-    <version>2.0.21-SNAPSHOT</version>
+    <version>2.0.21</version>
   </parent>
 
   <artifactId>mina-transport-serial</artifactId>
diff --git a/pom.xml b/pom.xml
index 9c90905..fff8ab2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
   </organization>
 
   <groupId>org.apache.mina</groupId>
-  <version>2.0.21-SNAPSHOT</version>
+  <version>2.0.21</version>
   <artifactId>mina-parent</artifactId>
   <name>Apache MINA</name>
   <packaging>pom</packaging>
@@ -55,7 +55,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/mina.git</connection>
     <url>https://github.com/apache/mina/tree/2.0</url>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/mina.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>2.0.21</tag>
   </scm>
 
   <distributionManagement>