GVR: implement missing ctor (to put GVP into GVR)
GVR: implement missing ctor (to put GVP into GVR)

Change-Id: I2b3a4ed1a788045afff1da2e9b3e3b72763061ff

aldebaran/libqi,vbarbaresi/libqi,bsautron/libqi,aldebaran/libqi,aldebaran/libqi