Deprecating specific use operators
Deprecating a set of HBase operators that will be replaced by operators that follow the Store framework
fix exception handling
Merge branch 'master' of github.com:DataTorrent/Malhar
Add a hbase based twitter demo
made the constructor public
deduper checkpointing draft
added recovery statement
Merge branch 'master' of https://github.com/siyuanh/Malhar into siyuanh-master
Merge branch 'siyuanh-master'
bucket key cannot be negative
Fix TwitterSampleInput toString
Merge branch 'master' of github.com:DataTorrent/Malhar
fix warnings
MLHR-1206 #resolve changed dt-engine and dt-api dependencies to provided scope
Merge branch 'master' into dt-dev

Conflicts:
	contrib/src/main/java/com/datatorrent/contrib/twitter/TwitterSampleInput.java
	library/src/main/java/com/datatorrent/lib/bucket/BucketManagerImpl.java
	library/src/main/java/com/datatorrent/lib/io/fs/AbstractHdfsTupleFileOutputOperator.java
	library/src/main/java/com/datatorrent/lib/io/fs/HdfsFileDataOutputOperator.java
	library/src/test/java/com/datatorrent/lib/io/fs/HdfsFileDataOutputOperatorTest.java
Merge branch 'dt-dev' of github.com:DataTorrent/Malhar into dt-dev
moved NumberAggregate out of API into x-java; made NumberAggregate an interface rather than an abstract class
moved NumberAggregate out of API into x-java; made NumberAggregate an interface rather than an abstract class
Merge branch 'dt-dev' of https://github.com/DataTorrent/Malhar into dt-dev