Merge pull request #551 from Wikia/aden-80

ADEN-80 Double check Evolve's success
(BugID: 100084) Make welcome messages use the Thread title

Welcome messages should use the Thread title as the text of the link
instead of Thread:number.
Merge branch 'bugid-100084' into dev
PLA-126 -- always start grouped results at result offset 0
PLA-126 update test
temporary solution to change hubs images storage from community.wikia.com to corp.wikia.com
Merge branch 'bugid-100289' into dev
wording and styling tweaks
VID-145 remove vacuously applying test code
main-header can be any element to match h1 styling
PLA-122 -- fix pagination issues with wiki match, causing problems with tracking
PLA-125 -- update getSimpleMessage to use wfMessage param capability and add appropriate param to call and message
Merge pull request #554 from Wikia/VID-145

Looks good!
PLA-127 -- update QueryService\OnWiki and ResultSet\GroupingSet to use number of groups, not number of matching documents
DAR-36: change action of summary-enter to SUBMIT
DAR-36: put all editor related tracking in plugin
DAR-36: CKEditor tabs and toolbar tracking.
DAR-36: proxy 'panelClick'; fix proxy arguments.
DAR-36: add richcombo panel tracking.
DAR-36: ckeditor dialog tracking.

Also, removed tracking specific event proxying from WikiaEditor in an
effort to keep it all in one place (in the Tracker plugin).