fix the tabnav
i18n for js code #199
should not show edit profile button to others
Merge pull request #230 from happypeter/edit_profile

should not show edit profile button to others
bugfix do not use luckyyang email
fix #213, add test for it
rm junk
Fixed #224: should be 登录, not 登陆.
Merge branch 'Patamon-tabnav'
i18n and use textarea to describe video #199
style for course edit page and private label #199
Merge pull request #235 from happypeter/course_edit

Course edit
check_owner for course#edit stuff