[#3266] Lint fixes.
[t3188] Prevent update calls that don't change properties from firing an update
Revert "[t3188] Prevent update calls that don't change properties from firing an update"

This reverts commit e4d9b22ed17a283c3ca7655fb8bd80a4f130c326.
[#3274] Added soundcloud fallback image and removed fraction on duration timecode on gallery items only.
[#3278] Change 'New video clip' to 'Create new media clip'
[t3271] Fixed clip title
Bug #1929 - Relax sanitization rules
[t3272] Fixed buttons cut off in chrome media gallery
[t3245] Prevent wikipedia crashing when clicking link to external article
[t3253] Don't trigger media loading on empty url input
[#3238] and [#3192] fixed timecode bug and implemented better time code visuals for low numbers.
[t3287] Fixed wonkiness on updateEndAfterExpand
Butter v1.0.18
Bug #3305 - Have embed.js load Popcorn via require