* Mount points list now shows warning icon and explanation tooltip if workspace mount point is not accessible for current BE user
* Mount points list will show explanation if no mount points available and why
* User list is changed for live and draft workspace: now shows a simple list of users
* alt_shortcut.php is no longer used to switch workspaces
* Fix: user names sometimes were not displayed for non-admin user in the access lists
* Fix: non-admin users could see empty row in workspace list
* Fix: workspace_list_label_frozen_no label was wrong in locallang_mod_user_ws.xml


git-svn-id: https://svn.typo3.org/TYPO3v4/Core/trunk@950 709f56b5-9817-0410-a4d7-c38de5d9e867