Merge remote-tracking branch 'remotes/upstream/master'
Merge remote-tracking branch 'remotes/upstream/master'
Merge remote-tracking branch 'remotes/upstream/master'
Merge remote-tracking branch 'remotes/upstream/master'
Merge remote-tracking branch 'remotes/upstream/master'
Merge remote-tracking branch 'remotes/upstream/master'
BT2: streams closing added
Merge pull request #430 from Paku-/BT2

BT2: BT streams closing ...
Merge branch 'master' into events
Drone: Adding method to support further implementations of the drone event's listners