Merge branch 'release/v2.9.1' into develop
Start Oculus support.
Add av::daemon::Oculus sources.
Add av::daemon::Oculus to daemon.
Add python wrapper for Oculus.
fix find_guacamole_oculus module to adapt name change of OculusRift to OculusWindow
rename files from OculusRift to OculusWindow
rename python files from OculusRift to OculusWindow
adapt name change from OculusRift to OculusWindow in code
reflect change from OculusRift to OculusWindow in cmake file
fix line endings
add linking of OculusSDK
implement startDevice for Oculus
implement readLoop for Oculus
Initialize matrices with identity matrix.

This closes issue #25.
Initialize PositionTransform with identity matrix.
Merge pull request #26 from el-josho/feature/ovrDevice

Feature/ovr device
Use cmake for Config.h.in.
Add OCULUS_SUPPORT flag.
Make Oculus support optional.