Added FacilaContext support.
Added possibility to reset singletons.
Update Facila.podspec

NSMapTable requires 6.0
Added setting sharedInstance.
Merge branch 'develop' into feature/context

Conflicts:
	Facila.xcodeproj/project.pbxproj
Changed deployment target in project file.
Merge pull request #2 from wikia-gregor/feature/context

FacilaContext