Separate permissions into modules

Due to Apple's new policy regarding permission access you need to specifically define what kind of permissions you want to access using subspecs.

Fix names

Fix names of property and functions.

Add property `startTransitionYoffset`

Add property startTransitionYoffset. This property allow customise position before start. Set to 0 if need disable wobble animation. Add icon for example project. Update Readme.

Fix bug for denied location permissions. Reload buttons when return to app.

Fix bug for denied .locationAlways. Update default text for location permissions. Now reload buttons when user return to app. Update example & Readme.

Add customisable colours for close button. Fix bugs.

Add customisable colours for close button. Fix bug with Always and didUse location permission.

Carthage support

Add Carthage support. Update example.

Remove deprecated location type

Remove location type locationAlways.

Fix bugs

Fix bug with tap gesture. If not allow scroll view and tap in window - controller closed. Now controller close if tap only background view.

Fix bug with reminder icon

Fix bug with reminder icon, now show document type icon.

Updates new key for location permissions

Updates with new NSLocationAlwaysAndWhenInUseUsageDescription key
Obsoletes old NSLocationAlwaysUsageDescription on iOS 11.0 and lower

Conforms to Apple's CoreLocation documentation