Use rg s3 bucket
Change actual vendor url!
Add simple ree:install command

- Replaces the existing MRI version of 1.8.7
- Probably better to do this in another way, but it doesn't look
like bundler supports using 'ree' as an engine argument, so we're
just replacing 1.8.7 MRI with ree for now...
Fail the deploy if asset precompilation fails
Merge pull request #1 from a-warner/fail_on_asset_precompilation_failure

Fail the deploy if asset precompilation fails
Allow running arbitrary tasks on compile

Required:

    heroku labs:enable user-env-compile
Merge remote-tracking branch 'awarner/master'