[maven-release-plugin] prepare release 1.0.0-RC20

Author: rmpestano

pom.xml

@@ -11,7 +11,7 @@
 
     <groupId>com.github.adminfaces</groupId>
     <artifactId>admin-designer</artifactId>
-    <version>1.0.0-RC20-SNAPSHOT</version>
+    <version>1.0.0-RC20</version>
 
     <name>admin-designer</name>
     <url>https://github.com/adminfaces/admin-designer</url>