fix wrong json string
Merge branch 'master' of github.com:PerryPan/coursera_alfred into PerryPan-master

Conflicts:
	src/bg/js/controllers/bgCtrl.js
remove comments in locale file
Merge pull request #13 from PerryPan/master

删掉了modernizr jquery.cookie underscore
new todos and words change
bump versions and readme
update README