Ignore temporary swp files
Use child_process instead of grunt.util.spawn

- Makes the tests run on OSX
Update default_options to test complete values

- Check entire stout stream for both raw and TC logging.
Add tests for custom options

- Make grunt-teamcity a multitask
- Add test for suppress grunt log
- Add test for custom TC status mappings
Add grunt-bump plugin
Remove unused clean plugin
Release v0.1.1
Update readme for bump