ArticlesApiController: PHP hinting
ImageServingController: use JSON format by default
ImageServing: cache images with maximum limit

ImageServing::getImages() will take a slice when getting data from cache
ImageServing: mark getThumbnails() as deprecated
Correctly parse user.user_birthdate from DB
Add user birthdate to Special:LookupUser
Add i18n messages for Special:LookupUser
Use $wgLang->date() instead of $wgLang->timeanddate()
BAC-576: importWikicities.php

Implement wikicities db sync from production to dev-db-central
Merge branch 'dev' into bac-734-image-serving-results-caching

Conflicts:
	extensions/wikia/ImageServing/drivers/ImageServingDriverBase.class.php
	extensions/wikia/ImageServing/drivers/ImageServingDriverUserNS.class.php
SASS: add support for source maps
AMD module for SlotTweaker and jslint/jshint update
AMD for AdTracker and SlotTracker
AdEngineMobile.run.js and AdConfigMobile.js
Naively call mobile ad slots
Hack to get src=mobile
CSS hack
WikiaMobile: Reenable SmartBanner, some cleanup
WikiaMobile: Remove apostrophies, ads.js, start making sense out of AM packages
WikiaMobile: create separee adslots mappings, move some stuff around in AM packages