Add composer.lock
Update Procfile
Add rewrite rule
Add dot
Add a few README lines
Use default php buildpack
Set BUILDPACK_URL to jeluard's repos
Use default php buildpack with graphviz one through multi
Switch to https://github.com/mrquincle/heroku-buildpack-graphviz
Update README to specify buildpacks
Explain configure flag
Use buildpack-clearcach to clear the cache for the buildpacks. For now...
Remove hidden files as well
Explain clearcache
Also add myself as author
Who did what
Explain how to prevent to commit nonsense to just restart heroku
Remove .png from supported image types
Merge pull request #17 from mrquincle/master

Improvements in regards to buildpacks.

Also adds a readme file and closes #15