add Oculus Go controller support#3548

Merged

dmarcos merged 3 commits intoaframevr:masterfrom

DigiTec:oculus-go-controls

Apr 25, 2018

Commits on Apr 6, 2018

Implement oculus-go-controls
DigiTec
committed

Commits on Apr 20, 2018

Add Oculus Go controller model with button highlighting support
DM Liao
committed

Commits on Apr 24, 2018

Address CR changes:
dmliao
committed