Allow a commit hash instead of a semver version (#275)
Change the clean up to use rimraf.sync because the async was throwing errors
Async breaks my head. Fixed the ENOENT problem.
components/ -> bower_components/
Merge pull request #435 from stephenplusplus/master

components/ -> bower_components/
update reference to Bower Server

The link to Bower Server is stale.
Merge pull request #512 from dvberkel/master

Update link to Bower Server
Merge pull request #441 from wibblymat/issue-275

Allow a commit hash instead of a semver version (#275)