update nprimageview
revert back to old nprimageview. better and smoother.
ignoring PhotoBoxController and xcuserdata
wrong gitignore
add PhotoBoxViewController stub
update pod
Merge branch 'revert-back' into develop

Conflicts:
	PhotoBox/Cells/PhotoZoomableCell.m
	Podfile.lock
	Pods/Local Podspecs/NPRImageView.podspec
	Pods/Manifest.lock
	Pods/NPRImageView/Class/NPRImageView.m
	Pods/Pods-PhotoBoxTests-environment.h
	Pods/Pods-environment.h
	Pods/Pods.xcodeproj/project.pbxproj
	Pods/Pods.xcodeproj/xcuserdata/nico.xcuserdatad/xcschemes/xcschememanagement.plist