synapsestudios/frontend-template — pull request #21 by synbot (2014-08-20 20:30:29+00:00)
Title: Replace gulp-clean with rimraf

## Fix NPM warning about deprecated `gulp-clean` package

### Acceptance Criteria
1. Replace `gulp-clean` with `rimraf`

### Tasks
- None

### Additional Notes
- The `gulp-rimraf` website recommends using `rimraf` directly to delete entire directories, which is what we're doing