Update README.md
made this code a little prettier
added requirements
moved settings to settings.py and added tests
added DEBUG setting, added tests for graph sizes and types, removed oposts graph
updated README, version bump for updater agent
added travis file
added build-dep to travis file
Update README.md
updated travis file again, added build status to readme
added installing coverage to travis file
Merge branch 'master' of github.com:jochem/expreszo-graphs