OF-555: renaming broadcast-plugin (to 'broadcast')

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/branches/maven-externalsbased@13093 b35dd754-fafc-0310-a699-88a17e54d16e

plugins/broadcast-plugin/pom.xml

-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <artifactId>plugins</artifactId>
-    <groupId>org.igniterealtime.openfire</groupId>
-    <version>4.0.0-SNAPSHOT</version>
-    <relativePath>..</relativePath>
-  </parent>
-  <groupId>org.igniterealtime.openfire.plugins</groupId>
-  <artifactId>broadcast-plugin</artifactId>
-  <name>Broadcast plugin</name>
-</project>
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