Add preliminary support for HBase.
Clean up HBase CLI client code.
Address review comments.
Correctly run transactions in the HBase CLI client.
Refactor hbase_client to use configman.
Merge branch 'socorro_hb_refactor'

Conflicts:
	socorro/app/generic_app.py
Use the configman apps for the initscripts.
Merge pull request #1103 from rfw/configman_init_scripts

Use the configman apps for the initscripts.