HBase Lookup Bolt implementation.
Trident state for persistence and query. modified the lookup bolt test case and added test case for the trident state. Refactored the code so we leverage a single HBaseClient for both trident and core storm bolts.
Merge branch 'trident' of github.com:Parth-Brahmbhatt/storm-hbase into merge

Conflicts:
	src/main/java/org/apache/storm/hbase/bolt/HBaseBolt.java
refactor lookup interface
delete HbaseState.java
add back HBaseState.java