No Bug - Fix lint error
Butter v1.0.19
Bug #3357 - Revert #3305 which broke old projects
Bug #3357 - Revert the reversion

This reverts commit f2c9c8c3a3d6399c6cae320b1336e05db1a5e1af.
Bug #3357 - Add a Popcorn() shim for old projects
Butter v1.0.20
Bug #3347 - Upgrade to RequireJS v2.1.5 and Almond v0.2.5
No Bug - Remove unused uglify-js dependency
[#3200] Error dialog on media gallery.
Bug #3346 - Remove duplicate files in default-config
Bug #3346 - Remove core/page.prepare()
Bug #3346 - Remove core/page.addPlayerType()
Bug #3346 - Remove core/page.scrape()
[t3283] Make hidden toggler disabled for soundcloud clips in sequencer editor
[t3362] Prevent postroll container from always being display:block while still keeping transition
[#3373] Create temp youtube to get proper duration data. Then throw it away.
[#3327] Start refactor of trackEvent.update by doing default applying in another function.
Bug #3320 - Restructure repo structure
[t3151] Allow for end === start for dragging resize handles on trackevent views
Bug #2894 - googlemap plugin update function