Port deletes to elasticsearch.

Included both in process and bulk deletes.

Change-Id: If0e24f4ff29853773fb6c24968630c9b6e3a5b6d
Fix class name on forceSearchIndex script.

Would spit out confusing stack traces.

Change-Id: Ifb8ff48c3dcdc94730af6b1a13988d0c6e1da3d6