Merge branch 'dt-0.9.3' into my_master
WEB-49 #fixes Dump Tweets in database on node6.morado.com
Merge branch 'master' into my_master

Conflicts:
	contrib/pom.xml
	demos/pom.xml
	demos/src/main/java/com/datatorrent/demos/twitter/JDBCOutputOperator.java
	demos/src/main/java/com/datatorrent/demos/twitter/TwitterDumpApplication.java
	demos/src/test/java/com/datatorrent/demos/twitter/TwitterDumpApplicationTest.java
MLHR-780 #resolve Moved 2 codecs form API to library
Merge pull request #721 from DataTorrent/MLHR-780

MLHR-780 #fix #resolve #comment moved codecs into library.