Fix for #851
Added a timer thread, which will try to reconnect to the KNX bus in case
of initial connection failure.
Modified management of DP initialization, such that DPs are not removed
from the queue when connection is not established.
Added debug and trace messages.
Modified logging output.
changes to Openpaths reponse handling
changes to Openpaths reponse handling - debugging code removed
Added SwitchLinc Relay and In-LineLinc Relay
Merge pull request #1500 from Kepesk/1.5.1

[Insteon] Added SwitchLinc Relay and In-LineLinc Relay
Merge pull request #1495 from robbyb67/1.5.1

[OpenPath] Changes to OpenPaths response handling
Merge pull request #1483 from Snickermicker/pr_851

Fix for #851 KNX Reconnection