Added dummy gui functions for sound sources
Added messages and services for the new sensors
Begun server-side support. [ci skip]
Server-side support for co2, sound, thermal sources done
Added robot-side support - not tested yet
Parser-side support done. Not tested yet
GUI-side support done. Not tested yet. Guess its time to test it.
Thermal sensors are working. They return the larger temperature in their span
Sound sensors working
CO2 sensors work
minor correction in CO2
Move angCheck function to a helper file
Merge pull request #152 from stdr-simulator-ros-pkg/new_sensors_support

New sensors support