DAR-254 Don't show edits in Forum Activity Module.
DAR-254 Refactored the WallHistory->getLastPosts() function. @sqlreview
Merge branch 'DAR-sprint-10' into DAR-254
DAR-254 Moved default function parameter value to constant.
Merge pull request #982 from Wikia/DAR-254

DAR-254 Forum Activity Module refactor