Do not change behavior of UIButton
Merge pull request #60 from yury/extended_hit_button

Do not change behavior of UIButton
Update LICENSE
add a property to allow photo thumbnail generation to be disabled, fixes GH-59
updated Debug.xcconfig
Sample project, removed unused variable
Adding new delegate methods when preview start or stop
Removing empty lines
Merge pull request #73 from Yosee/fix/delegate-called-twice

Adding new delegate methods when preview start or stop