fix usage comments
fix usage comments

add delay in setTimeout to ensure connection attribute has been set.
klirix/ionic-native,xueron/ionic-native,xueron/ionic-native,ramonornela/ionic-native,ramonornela/ionic-native,driftyco/ionic-native,driftyco/ionic-native,ramonornela/ionic-native,xueron/ionic-native,xueron/ionic-native,klirix/ionic-native,klirix/ionic-native,ramonornela/ionic-native,driftyco/ionic-native