updated README a bit.
updated README a bit.

richsage/RMSPushNotificationsBundle,peternijssen/RMSPushNotificationsBundle,davedevelopment/RMSPushNotificationsBundle,DABSquared/DABSquaredPushNotificationsBundle,tomaszhanc/RMSPushNotificationsBundle,DABSquared/DABSquaredPushNotificationsBundle,raulfraile/RMSPushNotificationsBundle,DABSquared/DABSquaredPushNotificationsBundle,Clevis/PushNotifications,kuldeep199221/RMSPushNotificationsBundle,funkjedi/PushNotificationPackage,nucleartux/RMSPushNotificationsBundle,EDSI-Tech/RMSPushNotificationsBundle