Modify CMake configuration for unit tests for better CTest integration, running of GTest as part of default build.
Removed C-specific option from unit tests build, in order to eliminate annoying build warning.
Add CMake uninstall target and fix configuration file paths.
Fix capitalization of CMake builtins in order to fit with best practices.
Merge pull request #101 from opentechinstitute/cmaketests

Better integration between CTest and GTest