Improve code.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1125 3c3d7b80-5828-415e-9f61-280b98178fff
Fix bug which prevents showing the apply config toolbar.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1126 3c3d7b80-5828-415e-9f61-280b98178fff
Start implementing workspace category node overview.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1127 3c3d7b80-5828-415e-9f61-280b98178fff
Continue work on new icon views.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1129 3c3d7b80-5828-415e-9f61-280b98178fff