PLATFORM-292: WikiaNewtalk - improve memcache key structure
SharedHelp: use wfSharedMemcKey()
Merge pull request #5814 from Wikia/wikia_newtalk_memcache_key_layout

PLATFORM-292: WikiaNewtalk - improve memcache key structure
Merge pull request #5816 from Wikia/shared-help-use-wfSharedMemcKey

PLATFORM-292 - SharedHelp: use wfSharedMemcKey()
CON-2377 | Lightbox on Venus recommendations
Merge remote-tracking branch 'origin/dev' into CON-2377
Fix ReplaceImageServerTest failing

Mock wgEnableVignette correctly
GlobalFileTest: mock wgEnableVignette set to false
Merge pull request #5840 from Wikia/CON-2377

CON-2377 | Lightbox on Venus recommendations
ImageServingCroppingTest: use Vignette
Merge pull request #5845 from Wikia/PLATFORM-681-ImageServingCroppingTest-fix

PLATFORM-681 - ImageServingCroppingTest: use Vignette
Converting wfMsg to wfMessage
Merge pull request #5849 from Wikia/unit-test-fixes

Converting wfMsg to wfMessage
Merge pull request #5844 from Wikia/PLATFORM-680-GlobalFileTest-fix

PLATFORM-680 - GlobalFileTest: mock wgEnableVignette set to false
Merge pull request #5843 from Wikia/PLATFORM-679-ReplaceImageServerTest-fix

PLATFORM-679 - fix ReplaceImageServerTest failing
ServiceTest: fix AvatarService unit test
AvatarServiceTest: modify unit tests to be compatible with Vignette URL schema
AvatarServiceTest: always use Vignette in this test
Merge pull request #5851 from Wikia/vignette-fix-unit-tests

Vignette fix unit tests
Merge branch 'dev' into PLATFORM-292-memcache-monitoring