Release 6.1.0

Fixed: Done button incorrectly shown in BottomSheet

Fixed: Cancel button not showing in ActionSheet

Popover Bug fixed.

Bug fixes and Xcode 11 Updates

Merge pull request rushisangani#82 from rushisangani/BarButton-action…

…-handling

RightBarButton handler added (to prevent dismissal and custom handling)

Merge branch 'master' of https://github.com/rushisangani/RSSelectionMenu

Updated to Swift 5.0

Merge pull request rushisangani#75 from odisei369/master

Add shared scheme so carthage could build library

- podspec updated.