Added grid and selections.
Merge branch 'refs/heads/develop' into grid-and-selections
Removed importing common defines and macros using the pch.
Merge branch 'refs/heads/master' into grid-and-selections
Fixed bug with toolbar theming.
Fixed import issue with macros.
Updated README.
zoomPhotosToFill option doesn't zoom standard images on a 4in display as it requires zooming in too far.
Double tapping a second time on an image now zooms it out.
Removed use of static vars in methods.

Fixes #175
Allow all interface orientations on all devices.
Fixed issue when nav bar translucent setting was previously set to NO.

Fixes #171 and fixes #153
Updated README.
Added arm64 support. Changed deployment target to 5.1.1.

Fixes #178
Added CocoaPod spec file.
Added preferred install method of CocoaPods.
Fixed URL in README.
Updated podspec to remove social_media_url while not in the release version of CocoaPods.
Merge branch 'source/master'

Conflicts:
	MWPhotoBrowser.podspec
	MWPhotoBrowser/Classes/MWPhotoBrowser.m