Bug #857762 - 1. Add support for description field
2. Change share-editor to project-editor
[#858161] Save all the data, on gallery items, so reloads are faster.
[#858715] Enforce drag n drop sizes before the update.
Bug 858950 - Create a Recently Remixed end point api
Bug #857761 - Backend changes for description field
Bug #3440 - Switch to RequireJS middleware
Bug #859352 - Update to requirejs-middleware@0.0.5