FIX reenable sortable after switching to other than relevance search options and then back again

git-svn-id: http://svn.montala.net/svn/resourcespace@5263 c08608d7-6e46-0410-86ca-f2a6f1370df5
CHG - table_resource_alt_files.txt needs a bigint for file_size to handle over sizes over 2GB

git-svn-id: http://svn.montala.net/svn/resourcespace@5264 c08608d7-6e46-0410-86ca-f2a6f1370df5
CHG - same as last for disk_usage which is limited to 2GB

git-svn-id: http://svn.montala.net/svn/resourcespace@5265 c08608d7-6e46-0410-86ca-f2a6f1370df5
CHG - same as last for resource.file_size which is limited to 2GB

git-svn-id: http://svn.montala.net/svn/resourcespace@5266 c08608d7-6e46-0410-86ca-f2a6f1370df5
BUG: Moved the trimming of keywords so it is consistantly applied, for both searching AND indexing.


git-svn-id: http://svn.montala.net/svn/resourcespace@5267 c08608d7-6e46-0410-86ca-f2a6f1370df5