removed unused properties and corrected data types
- removed duplicate code
- moved image showing and activity indicator showing methods to separate categories
- clean up
Demo view controller reformat
Moved ivars to properties, added new appearance color for title separator line
Cleaned up demo code
Removed duplicate code, moved static show methods to separate category
Nicer demo
Added R20 class prefix
Fixed appearance
Added popoverViewWillDismiss delegate method
Mask contentView with popoverPath (changes originally by @nklizhe)