Adds ability to share URL using UIActivityViewController #16
Merge branch 'feature/share_controller' into develop

* feature/share_controller:
  Adds ability to share URL using UIActivityViewController #16
Code sign fun times, updated .gitignore.
Trying out TUSafariActivity.
TUSafariActivity ("Open in Safari") is working nicely.  Rotation is a slight issue.  #16
sharePopover rotation is looking good.  #16
Removed (now unnecessary) UIActionSheetDelegate methods.  #16
Settings.bundle: Added license for TUSafariActivity.  #16
Settings.bundle: Added shout-out to Matt Cheetham (https://github.com/zumbojo/Colourama/pull/64).  #16
Disabled iOS 7 transparent status bar (http://stackoverflow.com/a/18972344/103058).