Enable therubyracer on Ubuntu
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Merge branch 'master' of github.com:ChrisZou/remember
Add improvement note