squash commit for couchbase operators
Formatting done according to Netbeans required specifications and added support for rethrowing exceptions
Deleted not needed tests and modified tests to include the new node
Commit for change of function Name and test for update operator
test for checking in dt-site.xml
final commit for review
commit for local mode
commit for adding support for localmode throught dt-site-couchbase.xml
Added documentation and copywrite messages.
Added comments for Benchmark tests
Made changes according to comments in pull request.
Taking out common code from set and update.
Removed dependency of httpcore from pom.xml
Comma added to urllist
removed dependency of http-core
removing the jars which are not needed
Merge branch 'couchbase' of https://github.com/pm48/Malhar into dt-dev

Conflicts:
	contrib/pom.xml
changes for removing not needed variables in window store.
Changes
Merge branch 'couchbase' of https://github.com/pm48/Malhar into dt-dev