updated example project to cordova 3.4
Merge pull request #60 from aogilvie/update/cordova-ios

updated example project to cordova 3.4
fix nil delegate before releasing
Merge pull request #61 from aogilvie/fix/removeview-ios

fix nil delegate before releasing
added kitkat compatibility
indentation fix
Merge pull request #64 from aogilvie/update/kitkat-compat

Update/kitkat compat
fixed extension check
Merge pull request #65 from aogilvie/fix/ios-url-extension-check

fixed extension check
android progress bar