VE-999 Fix tracking event not firing more than once
Document the lib/Wikia changes to DefaultSettings

Added comments about PSR-4 and lib/Wikia, composer, and the load
order.
VID-1678 fixing lightbox on tablet and  cleaning up touchscreen JS
JSCS
Merge pull request #3653 from Wikia/jobqueue-migration-enableuserstuff

Jobqueue migration enableuserstuff
remove js references to wgMedusaSlot
Merge branch 'VideoSprint48' into VID-1676
Merge pull request #3633 from Wikia/VID-1676

Video (VID-1676): VideosModule - showing videos from page catgories
VE-1125: Normalization of oojs-ui indicators
VE-1125: Greatly updated selector list
fix indexer
Startup RL module: cache for 5 minutes only
CON-1121 | HubsV2 old styles cleanup
Merge pull request #3656 from Wikia/startup-module-short-ttl

Startup RL module: cache for 5 minutes only
Merge pull request #3657 from Wikia/CON-1121

CON-1121 | HubsV2 old styles cleanup
CON-1154 | WikiaHomePage cleanup
ADEN-1158 Wikia Bar 2 Ad
refactor hook interactions to support ID handling
VE-1125: Catching lowercase utf-8 encodings
change env var to WIKIA_DATACENTER