Restore another hook lost in 5822

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5857 c08608d7-6e46-0410-86ca-f2a6f1370df5
NEW modify hooks modifiedextractedtext and modifiedsavedfieldvalue

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5858 c08608d7-6e46-0410-86ca-f2a6f1370df5
New hook modifiedextractedtext that should have been part of last commit

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5859 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX for &nbsp displaying in resource titles if view title set to a ckeditor field. An ajustment was also made to view.php for the same issue in -r5858

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5860 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX get_data_by_field to cache values and allow for shortname-based field. Increment css reload. Fixed a conflict between system_login and session length

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5861 c08608d7-6e46-0410-86ca-f2a6f1370df5