Merge pull request #184 from avalonmediasystem/hotfix/gem-locking

Lock hydra-head and devise (-> develop)
Allow free-form media and stream IDs
Add the ability to generate tab-delimited transcoding reports on master files
Shrink NU deploy branch to the bare essentials
Change nuldap so netID => username, email => email
Reindex everything on deploy
Only reindex if the AVALON_REINDEX environment variable is set