Merge pull request #437 from acpaquette/projected_camera

CMakeLists.txt

environment.yml

include/usgscsm/UsgsAstroProjectedLsSensorModel.h

include/usgscsm/Utilities.h

src/UsgsAstroLsSensorModel.cpp

src/UsgsAstroPlugin.cpp

src/UsgsAstroProjectedLsSensorModel.cpp

src/Utilities.cpp

tests/UtilitiesTests.cpp