.gitignore set to ruby default

but i'm not sure about using ruby yet
Create README.md
lets go
Merge branch 'master' of github.com:chrisgw/music-graph
added layout.erb
added stylesheet
added config.ru
added Gemfile
gemfile.lock
updated readme
updated readme
updated readme
added jquery
updated readme for consistency
decide to switch to sigma.js
added sigma.min.js
wont be needing jquery anymore
added js folder
hello world graph
sorta works