fix params to select and fix SQL by using subquery
use vertical list to display vertical's name rather than category
DAR-147 - Chat support for preview and verify envs
DAR-254 Don't show edits in Forum Activity Module.
DAR-147 missing method doc
Merge pull request #970 from Wikia/CON-47

CON-47: Fix params to select and fix SQL by using subquery
Merge pull request #974 from Wikia/CON-133

CON-133: use vertical list to display vertical's name rather than category
DAR-351 prevent breaking chat with a fabricated empty message
DAR-254 Refactored the WallHistory->getLastPosts() function. @sqlreview
DAR-147 tiny code cleanup
Merge branch 'dev' into DAR-sprint-10
Merge branch 'DAR-sprint-10' into DAR-254
DAR-351 code review changes
DAR-351 code review changes
DAR-147 code review changes
DAR-254 Moved default function parameter value to constant.
Merge pull request #982 from Wikia/DAR-254

DAR-254 Forum Activity Module refactor
Merge pull request #976 from Wikia/DAR-147

Dar 147
Merge pull request #981 from Wikia/DAR-351

DAR-351 prevent breaking chat with a fabricated empty message
PLA-390 refactor SearchAbTests.js and add some unit tests