buildpacks/php: Begin work on switching over to the official heroku buildpack [GH-35]
buildpacks/php: Install stuff into $HOME/php [GH-35]
buildpacks/php: Comment out newrelic stuff [GH-35]
buildpacks/php: Use $HOME/.composer as COMPOSER_HOME [GH-35]
buildpacks/php: Ensure cache dir exists and fix vendored buildpack path [GH-35]
buildpacks/php: Do not require a composer.lock to be present [GH-35]
buildpacks/php: Progress... [GH-35]
buildpacks/php: Leverage devstep cache for php, nginx and apache [GH-35]
buildpacks/php: Fix profile.d path [GH-35]
buildpacks/php: Replace heroku configs from vendored buildpack with our stuff [GH-35]
buildpacks/php: Prepare hhvm support for using the cache but error out when it is detected while we figure out how can we make it work [GH-35]
buildpacks/php: WORKS! (Enough to close GH-35)
buildpacks/php: Output the path to the script that needs to be used to start the server after completing the build
baseimage: Bring back bashrc and make it work
baseimage: Many tweaks

- Remove tmux and bsdtar installation
- Install bash-completion
- Install php related dependencies
Update CHANGELOG
buildpacks/php: Mention the PORT parameter for starting the server
builder: Default to current directory when building
buildpacks/php: Mention that the path to the public dir can be specified to start the app
builder: Prevent `/` builds (closes GH-57)