fix screenshot plugin - closes #169
fix screenshot plugin - closes #169

xueron/ionic-native,ramonornela/ionic-native,xueron/ionic-native,ramonornela/ionic-native,klirix/ionic-native,xueron/ionic-native,ramonornela/ionic-native,driftyco/ionic-native,driftyco/ionic-native,klirix/ionic-native,klirix/ionic-native,driftyco/ionic-native,xueron/ionic-native,ramonornela/ionic-native