Added classed related to Location Based Events functionality.
Merge branch 'master' into feature/location-based-events

Conflicts:
	Caveman/Caveman.xcodeproj/project.pbxproj
Added beacon scanner.
Merge branch 'master' into feature/location-based-events

Conflicts:
	Caveman/Caveman.xcodeproj/project.pbxproj
Merge branch 'master' into feature/location-based-events

Conflicts:
	Caveman/Podfile
Merge branch 'master' into feature/location-based-events

Conflicts:
	Caveman/Caveman.xcodeproj/project.pbxproj
Added location based warnings for Smoking Areas, Elevator and Greetings.
Added timer for warning screen.
Merge branch 'feature/location-based-events'

Conflicts:
	Caveman/Caveman.xcodeproj/project.pbxproj
	Caveman/Podfile
	Caveman/Podfile.lock