Added resource header file generation.
Added helper for getting absolute path to a resource.
Moved 3_prism_serialize's config file into resources.
Ported 3_prism_serialize to use resources folder for config storage.
Removed file helper tests.
Added FileHelpers for tests.
Added test resources folder.
Updated doxygen header.
Merge pull request #63 from NASA-Tensegrity-Robotics-Toolkit/resources_folder

Resources folder