CB-3420 added hidden option and show method
Also minor doc cleanup
[CB-2686] Update Connection reachability to 'cellular' and remove deprecation notice.
[CB-4012] notification.beep handles looping now for iOS
[CB-1107] Remove old plugin signature, update Plugin Dev Guide
[CB-4138] Updated Readme for deps. on ruby 1.8.7 and nokogiri 1.5.2
[CB-4052] Update iOS upgrading docs for archive issue