fix the tabnav
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
fixed the flash.notice
Merge pull request #240 from Patamon/msg_when_login_fail

fixed the flash.notice
get things ready for kss
kss installed
kss_block helper works
ass style for styleguide
change button.css.scss
add colors.html.erb by hand, kss
check_own works for update now
hotfix a translation missing bug
hotfix
redirect to root if logged in
Merge pull request #241 from Patamon/login_form_disable_when_logined

redirect to root if logged in
tiny fix button style in edit course page and remove unuseful user auth