Merge pull request #138 from Edugate/develop

extend mdui fix
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
add 2columns for queue model