Laying the groundwork for Media models
Admin adding of media to teams.
generalize adding of media
rename for clarity
remove extra line and rename variable
refactor MediaParser for clarity and easier testing
rename media_id to foreign-key
Don't store whole url on media models, reconstruct url on render
rename for consistency
Use constants for patterns
Auto-union media references in media_manipulator
description for media model
Remove extra line
move reference creation into helper in Media.py
fake-pluralize 'media' to 'medias'
style
split partial media dict reation into separate methods
documentation to explain cd photo thread image
Merge pull request #877 from tombot/master

Turn webcasts over from 2013 to 2014.
Require X-TBA-App-Id header for API v1. Fixes #854