update to Cloudear Manager 4.8 and CDH 4.5, update README.
Merge pull request #6 from rogerhadoop/master

update to Cloudear Manager 4.8 and CDH 4.5, update README.
Updated default configuration to include entities.
Merge remote branch 'upstream/master'
upstream/master is https://github.com/cloudera/cdh-twitter-example.git

Conflicts:
	flume-sources/src/main/java/com/cloudera/flume/source/TwitterSource.java