Made SSO login UI mode to be customizable to use popup or dialog.
removed width property from dialogs, like this it takes calculates width
automatically. Also localized dialog's title message.
Removing all unsupported languages, These will be added as and when we
start supporting them
Merge pull request #439 from RajmeetBal/loginUiModeMadeCustomizableForSSO

Made SSO login UI mode to be customizable to use popup or dialog.