new method fetch_bay6 to wrap fetch commit from bay6
updated not only score but also fetch all bay6 commit
update github task for concision
continue simplifying
Merge branch 'master' of github.com:bay6/union
Fixed #37
Update README.md
Merge pull request #97 from vincent178/master

READY: add google analytics
Fixed #83
added newrelic Fixed #82
Merge branch 'master' of github.com:bay6/union
Merge remote-tracking branch 'upsteam/master'
added the scores get by 20 days ago
fixed user not update grade bug, add test
Merge pull request #106 from mouse-lin/master

	fixed user not update grade bug, add test
merge
refactor