Merge pull request #3 from JasonGuanGitHub/master

pull request
Merge branch 'master' of github.com:specialhappy/EasyUse
fixed dropdown-menu
add logout function
Merge pull request #1 from JasonGuanGitHub/master

pull request
Merge branch 'master' of github.com:specialhappy/EasyUse
user, group, institution, region_center is basically done
Merge pull request #16 from specialhappy/master

user, group, institution, region_center is done
Merge pull request #1 from JasonGuanGitHub/master

merge pull request form Jason