.
可以正常new了
fix travis build
Merge branch 'fix/travis-build' of https://github.com/cgcgbcbc/CloudComputing into cgcgbcbc-fix/travis-build

Conflicts:
	lib/tasks/travis-ci.rake
把未完成的feature从master分支中删除
Some label effect
Merge branch 'master' of https://github.com/Thu-SaaS-CloudComputing/CloudComputing into feature/lesson_table
to make the build pass
Lesson finished, not enough test