added Ximea camera driver to HAL
editted driver files - there exist linking errors when compiling
changes to find Ximea libs
Merge branch 'master' of https://github.com/arpg/HAL
Linking Protobuf in CMakeList for sensorviewer
Merge branch 'master' into ximea_driver
Added more command line options.
Merge pull request #41 from arpg/ximea_driver

Ximea driver
Updated Phidgets driver to initialize on constructor call.
Added the correct device timestamp for Ximea camera.
Adds system time to HAL messages.
Merge branch 'master' into fix/system-time
Added system time to Phidgets.
Added system time to Ximea camera.
Minor changes.
Merge pull request #43 from arpg/fix/system-time

Fix/system time
Added bitset header inclusion.
Merge branch 'master' into feature/nodecam