[CB-2682] [CB-2683] add prompt dialog to Notification API for WP
Merge branch 'master' of https://github.com/sgrebnov/cordova-plugin-dialogs
Merge branch 'dev'
move images from css to img
Merge branch 'master' of github.com:zalun/cordova-plugin-dialogs into dev
Merge branch 'dev' of https://git-wip-us.apache.org/repos/asf/cordova-plugin-dialogs into dev