CON-2323 | swapped box-sizing in key components for a mixin with -moz- prefix
changed value of siteName returned by getWikiVariables; added simple unit test
merged origin/dev to HG-307 and resolved conflict in MercuryApi.class.php
CR changes: renamed the method
merged dev
merged origin/dev and resolved conflict in MercuryApi.class.php
CON-2323 | Global nav search dropdown placement due to a Firefox<29 bug (Bugzilla ID: 971636)
Merge remote-tracking branch 'origin/dev' into CON-2323

Conflicts:
	extensions/wikia/GlobalNavigation/templates/GlobalNavigation_searchIndex.php
CON-2323 | [minor] decreased indentatnion
Fix DPL fatal error in tasks
Use translated namespaces
VE-1702: Floating toolbar for Venus
Merge pull request #5710 from Wikia/release-255-main-3348-remove-wgEnableUserLoginExt-completely

Remove $wgEnableUserLoginExt from the code.
VE-1702: Move toolbar initialization to the correct place in loading sequence
VE-1702: Minor spacing fix
Merge pull request #5744 from Wikia/VE-1702

VE-1702: Floating toolbar for Venus
parametrize wiki articles threshold for xwiki search
add param for minimal articles count in cross wiki search
only staff can override minimal article count
Merge pull request #5741 from Wikia/fix-dpl-fatal-errors

PLATFORM-644: Fix DPL fatal error in tasks