Hash table Test

hash table test cases.
Sql Db table deleted
Merge remote-tracking branch 'origin/master'

Conflicts:
	yaon/META-INF/MANIFEST.MF

	yaon/src/test/java/org/opendaylight/controller/yaon/test/SqlDbTableTest.java
	yaon/src/test/java/org/opendaylight/controller/yaon/test/YaonTest.java