Release 3.0.0

Removed:

• isSuccessfulInitialize - initialize method now is async and provides the same information.
• getGroupPassphraseInfo - you can use new added method getGroupInfo as replacement of this method (getGroupInfo apart of passphrase return other additional information).

Added:

• subscribeOnThisDeviceChanged - event emitter, which emits event, when group info has changed (handle native THIS_DEVICE_CHANGED_ACTION)
• unsubscribeFromThisDeviceChanged - unsubscribe of subscribeOnThisDeviceChanged
• getGroupInfo - provides groupInfo

Fixed:

• sendFile/sendMessage promise resolving (#29)
• receiveFile can specify path for saving (#28)
• reduced published package size
• replaced all System..println calls with Log.

Changed:

• temporary marker in getConnectionInfo removed
• documentation improved (#26)
• examples corrected (#25)