VE-1276: Initial version of A/B/C test for Source Dialog entry point
VE-1276: Added description for newly created i18n entry
Merge branch 've-sprint-24' into VE-1276
Merge branch 've-sprint-24' into VE-1276
VE-1276: Slighlty different approach to VE Source Entry Point experiment
VE-1276: Activate correct experiment
VE-1276: Minor fix
VE-1276: Add tracking for Optimizely goals
VE-1276: Distinguish between users and anons
VE-1276: Adjust to new experiment requirements
VE-1276: Change used CSS class name
Merge pull request #4381 from Wikia/VE-1276

VE-1276: A/B/C test for Source Dialog entry point