Added content_intro, content_success, and content_failure to serializer
Convert installation_overview to use Angular.js and call the new rest
api for installation info
Handle auto refreshing access_token in post_login if expired
Do a simple soql query via api to trigger expired token exception if
token is expired
Don't use redirects in refreshing token in post_login
Make oauth_refresh redirect properly if called individually
Remove test code
Remove semicolon
Fix http vs https references to angular
- Fix progress bar active animations
- Show version number for managed packages
- Fix bug when fetching url for non-current beta or prod version
- UI tweaks on package_version_overview and installation_overview
- Added /api/version-content/ID/ api as a single point to edit all
  content related to a version