add requirejs to bower.json
add some requirejs files to gitignore
fab update (install requirejs) and add it to repo
Merge pull request #2 from Carreau/requirejs

add requirejs
bower can now install CodeMirror
add font-awesome
fab update (font-awesome)
allow version ranges in bower
run fab update

versions updated: bootstrap, jquery, jquery-ui, marked
restore base jquery-ui theme (smoothness)
discuss `fab update` in the README