fixes #46
Merge pull request #47 from bacongobbler/master

remove bpwatch hack
Add image tagging support
Merge pull request #49 from opdemand/tagging

Add optional image tagging support
fix broken python buildpack by generating a random request id used by bpwatch instrumentation
Merge pull request #51 from opdemand/pythonfix

Generate request ID for broken python buildpack
pass bin/release $build_root instead of $app_root

Needed by heroku-buildpack-ruby
Merge pull request #56 from icco/patch-1

pass bin/release $build_root instead of $app_root
Use https://github.com/CHH/heroku-buildpack-php as the builtin PHP buildpack
Merge pull request #57 from qrohlf/patch-1

Use https://github.com/CHH/heroku-buildpack-php as the builtin PHP buildpack
use the build root to build the release file
updating authors
Merge pull request #58 from nolman/fixing-ruby-heroku-buildpack

Fixing ruby heroku buildpack
Fix conflict