Cleanup DOMStoreReadTransaction/DOMDataReadTransaction exists API documentation

This commit also cleans up the usage of ForwardedBackwardsCompatibleDataBroker from DataBrokerTestCustomizer

Change-Id: Icfb078eb54f7dae6c436ff41e7c1657b0cf4175f
Signed-off-by: Moiz Raja <moraja@cisco.com>
BUG-1621 Fix reconnecting.

Netconf-connector did not reconnect after recent changes (Ssh mina integration)
SshHandler was in pipeline after listener in reconnect, thats why the listener received no event about session down.

Change-Id: Id39062f51bc3a0caf066ca49682a2acc837b06ef
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
BUG-1622 Fix handling of non-downloadable schemas from remote netconf device

Change-Id: I1b7a5b379e7d25fcbceba105dce6354dfa49c8af
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Merge "Cleanup DOMStoreReadTransaction/DOMDataReadTransaction exists API documentation"
Merge "BUG-1621 Fix reconnecting."
Merge "BUG-1622 Fix handling of non-downloadable schemas from remote netconf device"