Merge pull request #4 from soloara/refactor

refactor  the lessonplans controller and add lessonplans  integration te...
More tiny refactor.
Merge pull request #5 from soloara/refactor

Load angular from gem but static files;Fix create and show tasks bug
fix random icon on homepage. Qiu
fix count of homeworks(my fault). Qiu
fix IE8 file uploader. Qiu
fix angular file missing. Qiu
What is this?
format js files and remove demo actions from application controller. Qiu
remove angular static files. Qiu
Merge branch 'master' of github.com:twers/re-education