Merge pull request #14 from longchao/master

so called css fixed
some fix on template and test case
mock server bug fix
delete mock Access-Token
[Zhenghan] notification logic completed
Update services.js
Merge pull request #15 from zhzhang2012/master

[Zhenghan] notification logic completed
UI facelift

1. refined liststyle of lesson review
2. refined padding of badgecontent