fixes issues with parsing span data.
fix degrees/radians bug in ros node
convert psi to theta before publishign
Added IsConnected() method.
Update CMakeLists.txt
Added method SendCommand() and HardwareReset().
Merge branch 'master' of https://github.com/GAVLab/novatel
fixing cmake for non-ros use
Fixed make error in HardwareReset() and SendCommand().
merge from master