ISSUE#83
Place holder for code to perform indexing.
ISSUE#83
Refactor metadata loader to use send jobs to a celery task. Simplified
metaloader (and thus updated loaddata.sh script) to always go to localhost.
ISSUE#83

Fix up capitalization error when I converted functions and variables
to lowercase.

Make threadsafe rethinkdb calls (because I'm using a global connection)
by moving the call into the task. Need to investigate thread safety further.