Fixed appearance issue with caption view in iOS 7
Fixed compiler warnings
Fixed issue with initWithCoder:

Closes #147
Fixed lifetime specifier position for weak self.

Closes #143
Fixed issue with status bar visibility.

Fixes #149
Upgraded to SDWebImage 3.5
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