ADD class to download filesize td and id to alt files header td on view.php

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5434 c08608d7-6e46-0410-86ca-f2a6f1370df5
NEW hooks beforeviewdisplayfielddata_processing (modify hook), beforesingledownloadsizeresult, viewbeforealtheader, replaceactionslistopen, resourceactionstitle, and replaceactionslistclose in view.php

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5435 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX relocate clearer div to after fields with display templates on view.php

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5436 c08608d7-6e46-0410-86ca-f2a6f1370df5