Fixed a problem when $save_errors was not set in edit.php when copying metadata

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@4366 c08608d7-6e46-0410-86ca-f2a6f1370df5
Another fix for $save_errors in edit.php

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@4367 c08608d7-6e46-0410-86ca-f2a6f1370df5
fix for video types icons in thumb view

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@4368 c08608d7-6e46-0410-86ca-f2a6f1370df5
Initial commit
Merge branch 'master' of github.com:rzamana/resourcespace