v1.3

• Adds an experimental setting to adjust the relative scale between tracking spaces. This seems to fix drift issues with certain WinMR headsets (e.g. HP Reverb). This is currently a manually adjusted setting, automatic calibration of scale may be added in the future. Thanks to @brian-armstrong for the contribution #65
• Adds hint to the graphics system to run on the VR GPU, fixes #55 for NVIDIA users with an integrated GPU