removing jQuery as a knockout dependency since theres no need for KO to depend on it (fixes #543)
Merge branch 'develop' of github.com:BladeRunnerJS/brjs into develop
changing CommandPlugins to return an exit code

- command plugins can now return 0 on success, non 0 on error
- test command now exits with a non 0 exit code on test failure rather
  than throwing an exception
changing test command exit code

test command returns 1 instead of -1 on error (Java exit codes must be >
0)