ADEN-908 RH+ Null Implementation

Conflicts:

	extensions/wikia/AdEngine/js/AdProviderGptMobile.js
	extensions/wikia/WikiaMobile/js/ad_slots2.js
Replaced *global* variable with $this->wg access
fix for the latest gptMobile code
RH+ working implementation

Conflicts:

	extensions/wikia/WikiaMobile/js/ad_slots2.js
Proper initialization and hop

Conflicts:

	extensions/wikia/WikiaMobile/js/ad_slots2.js
move slotMap to gptSlotConfig

Conflicts:

	extensions/wikia/AdEngine/js/AdProviderGptMobile.js
new way to hop on mobile
Name refactoring for mobile code

Conflicts:

	extensions/wikia/AdEngine/js/AdProviderDirectGptMobile.js
Show remnant ad fix
Spaces => tabs