Merge branch 'master' of https://github.com/mwaterfall/MWPhotoBrowser

Conflicts:
	MWPhotoBrowser/Classes/MWPhotoBrowser.m
add custom logic for sharing + put background white
Merge branch 'watib' of https://github.com/merchlar/MWPhotoBrowser into watib

Conflicts:
	MWPhotoBrowser/Classes/MWPhotoBrowser.m