Merge pull request #4761 from WikiaVolDev/VOLDEV-47

VOLDEV-47 - Set default behaviour to all checkboxes ticked
Merge pull request #4778 from Wikia/platform-323-create-wiki-upload-dir-check

replace file system check with WF check
CE-1019 Adding hook and task for updating user email
CE-1019 Changing adding user data extension into update-add
Restore deleted hook to add assets at the bottom of the body
Hook should return
CE-1019 Updating unit test for update-add option
Styling
ADEN-1362 Track rubicon response
Missing space
Fixed condition
CON-1758 | Enable GoSearch for GlobalNavigation
CON-1763 add tracking to global navigation
Merge pull request #4815 from Wikia/MonetizationSprint7

Monetization sprint 7
ADEN-1413 Fix top=1k targeting on mobile
adding lib/Wikia/src to Doxyfile
VE-1541: Build the preference info dialog
CON-1763 add tracking to search and search suggestions
VID-1976 getting galleries to render client side
CON-1763 small fixes