Create tag RC2 for 2.4 release

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/tags/CONFIGURATION_2_4_RC2@1844714 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index b5d0943..5b66bb6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -542,7 +542,6 @@
     <commons.release.2.name>commons-configuration-${commons.release.2.version}</commons.release.2.name>
     <commons.release.2.version>1.10</commons.release.2.version>
     <commons.release.2.desc>(old 1.x version)</commons.release.2.desc>
-    <commons.rc.version>RC2</commons.rc.version>
     <commons.jira.id>CONFIGURATION</commons.jira.id>
     <commons.jira.pid>12310467</commons.jira.pid>
     <maven.compiler.source>1.8</maven.compiler.source>
@@ -575,7 +574,7 @@
 
     <!-- Commons Release Plugin -->
     <commons.bc.version>2.3</commons.bc.version>
-    <commons.rc.version>RC1</commons.rc.version>
+    <commons.rc.version>RC2</commons.rc.version>
     <commons.release.isDistModule>true</commons.release.isDistModule>
     <commons.distSvnStagingUrl>scm:svn:https://dist.apache.org/repos/dist/dev/commons/${commons.componentid}</commons.distSvnStagingUrl>
     <commons.releaseManagerName>Rob Tompkins</commons.releaseManagerName>