3/21/2011:
Remove 3rdparty artifacts that can be found in primary repos:
 
 These artifacts were hosted because of the instability of the jboss repo in the past.
   http://repository.jboss.org/nexus/content/groups/public-jboss/
   - org.jboss.netty#netty#3.1.5.GA
   - org.jboss.netty#netty#3.2.3.Final

 These artifacts were hosted to support cassandra pre 0.7.5, fixed to use maven central artifacts in
 https://issues.apache.org/jira/browse/CASSANDRA-2080
   http://repo1.maven.org/maven2/
   - org.apache.whirr#whirr-build-tools#0.3.0-incubating-SNAPSHOT
   - org.apache.whirr#whirr-cassandra#0.3.0-incubating-SNAPSHOT
   - org.apache.whirr#whirr-cdh#0.3.0-incubating-SNAPSHOT
   - org.apache.whirr#whirr-cli#0.3.0-incubating-SNAPSHOT
   - org.apache.whirr#whirr-core#0.3.0-incubating-SNAPSHOT
   - org.apache.whirr#whirr-hadoop#0.3.0-incubating-SNAPSHOT
   - org.apache.whirr#whirr-zookeeper#0.3.0-incubating-SNAPSHOT

Remove unused 3rdparty artifacts:
- com.esotericsoftware.yamlbeans#yamlbeans#1.05
- org.apache.hadoop#hadoop-core#0.20.1+169.89
- org.twitter4j#twitter4j-core#2.1.6-patched-1