we don't want this commit
Revert "we don't want this commit"

This reverts commit 889c2925207cad3cdd3ddb9b01722679e70f311a.
Modify: change link of access_resource_library
modify lms links for preview and view live
modify lms link for preview and view live unit
gunicron
Modify: contact us email
Merge branch 'wangxin' into www0
Merge branch 'lvzh' into www0
Fill in the blank and multiple-choice questions to increase 'Show ME' feature
gather staticfiles
Merge branch 'www0' into victor
Prepare for gunicron
Bug fix
Merge branch 'www0' into victor
Bug fix
Bug fix
Modify: people navigation
modify the style of user information in about_me.html and Page jumps to Login when cache is cleaned from History Browser