Merge topic 'support-future-use-of-crossbar-io' into pv-master

12f6589c Properly override ApplicationSession c-tor, supports Crossbar.io.
Merge remote-tracking branch 'pvvtk/pv-master' into HEAD

* pvvtk/pv-master:

Change-Id: I9aab8d3babb04ae43215561456eb396dc6a0f325