Fix warning about unused variable
improved bounds check

- now it snaps image to crop edge when it becomes off-bounds
Merge branch 'master' of https://github.com/denivip/ios-image-editor into denivip-master

# By Mikhail Grushin (1) and Nikolay Morev (1)
# Via Mikhail Grushin
* 'master' of https://github.com/denivip/ios-image-editor:
  improved bounds check
  Fix warning about unused variable

Conflicts:
	ImageEditor/HFImageEditorViewController.m