[feature]convert HTML to HAML and populate some data
[feature]finish to populate the data for cards in profile page
[chore]use coffeescript to rewrite function.js

Note: extract out the dropdown_nav part, and keep the old files
[chore]extract code from function.js to global_effect.js.coffee
[chore]finish extract code from function.js to global_effect.js
[chore]introduce simplecov to see the coverage of tests
[chore]clean tests to make coverage better
[test]make the coverage for tests more

Note: work on the model/user_test.rb
Merge pull request #15 from peterzd/profile_page

Profile page