fixup some tests
added a test to expose bug from #44
make start_capability respect default providers

fixes #44
removed dead code and simplified implementation
typo
improved the reliability of the tests
Merge pull request #44 from osrf/issue_44

Default provider is ignore
ignore SERVER_READY events in server handler
Merge pull request #45 from osrf/issue_45

Unknown capability instance: ''
Use catkin_make to run tests
Run catkin_init_workspace from src/
Revert catkin_make and use catkin_test_results to collect results from the testsuite
Revert to original directories
Use catkin_make to run the testsuite. Disable parallel jobs to avoid errors with simultaneous rostests.
Use new path to the test results