- more support for location manager access being disabled/reenabled while app runs
- replace deprecated 'didUpdate' method for getting location updates
- set dimmed color for button titles when buttons are disabled in iOS 6 (later versions do this by default)
- more debug functions for tracking app state and changes in location manager access authorization
- add code to AppDelegate to track app state and current view controller
- add more 'deprecated' comments to MapOverlays code
- fix comment in 'cloneall' Unix script
- more to come for iOS 8!