Pass speed from GPS
Update location based on the period not forever
Add GPS bearing
Merge pull request #202 from kurtisnelson/gps_speed

GPS Data Provider Updates
1. Refactored camera manager, 2. Made an opencv manager to handle loads (need to update warp manager to support), 3. Added back picarus manager (not recommended for use yet)

Signed-off-by: Brandyn A. White <bwhite@dappervision.com>
Merge branch 'dev' of github.com:OpenShades/wearscript into dev