PLA-210 entry point for activity api
PLA-210 RevisionService for getting data out of db about revisions
PLA-210 registering RevisionService and AcitivityApi
RevisionService refactoring
Merge branch 'dev' of github.com:Wikia/app into PLA-210-activity-api
RevisionService refactoring
RevisionService refactoring
merge RevisionService and put it in includes/wikia/services
Change revision version
simplify sql queries, add api documentation
Add RevisionServiceTests and small RevisionService bugfix
Merge pull request #807 from Wikia/PLA-210-activity-api

Pla 210 activity api