First pass "happy path" Python server

This is incomplete (missing tests, full spec, cleanup, etc.), but
serves as a proof-of-concept for the basics before proceeding further.
Update to match change in imgur API for NSFW flag.  More detailed output.  Updated requirements.
Requirements file for Python Bottle server.
Copypasta bugfix.
JSHint-driven cleanup
Add .jshintrc
Imgur populator can now take a list of endpoints.