Merge pull request #35 from arpg/feature/align-and-flip

RGB and Depth alignment and image flipping
SensorViewer cleanup.
Removed some crap files that were left by who knows who.
Updated to cmake 3.0. Made URDFParser build optional.
Fixes for Pangolin changes.
Revert "FileReaderDriver can parse when images are missing."

This reverts commit e2bea7be12966822054fb5138621dac03e0a9aed.
added Ximea camera driver to HAL
editted driver files - there exist linking errors when compiling
Reverted max value for range=ir2
Forced -stdlib=libc++ removed
changes to find Ximea libs
Merge branch 'master' of https://github.com/arpg/HAL
Merge pull request #37 from arpg/fix/range-ir2

Reverted max value for range=ir2
Merge pull request #38 from arpg/fix/libcpp

Forced -stdlib=libc++ removed
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.
Merge branch 'master' into fix/system-time