build: fixing problem with --make-args and adding unit tests for running catkin unit tests
testing: switching unit test unit test to use nose instead of gmock
argument parsing: add -- parsing to end --*make-args chomping
argument parsing: adding test of run_tests alias
aliases: adding standard CMake 'test' alias
Merge pull request #107 from jbohren-forks/doc-test-running

build: fixing problem with --make-args and adding stop-parsing sentinel for creating aliases using --*make-args