CON-846 | Add tracking parameters to Qualaroo
ImgLzy: limit WebP thumbs to PNG and JPG only
CON-846 | Fix params
ImgLzy: use WebP for PNG and JPG thumbs only

* create AM group
* code linting
ImgLzy: add a unit test
CON-846 | Fixes after cr
Applying feedback from @lizlux
run js-beautify
ADEN-1033 Wikia Bar ads not working on German sites
ImgLzy: fix syntax error in regex
PLA-1335 Images will be served on internal api call
PLA-1335 Images will be served on wikia.php call
TorBlock: log loadExitNodes calls
Log memcache problems
Serve WebP thumbs for 1/16 of traffic
Merge branch 'dev' into img-lzy-limited-webp-support
Merge branch 'dev' into img-lzy-limited-webp-support

Conflicts:
	extensions/wikia/AssetsManager/config.php
CE-677 Documenting Wikia changes in MW core
Apply MW 1.19.15 maintenance release

The fix to change password was already applied in commit 888a021.
CON-846 | Fix Qualaroo _kiq