[FIX] Additional sort fixes, prefix handling

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@51728 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Additional sort fixes, prefix handling

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@51729 b456876b-0849-0410-b77d-98878d47e9d5
[MOD] Converting the percolator support to the 1.1+ API

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@51731 b456876b-0849-0410-b77d-98878d47e9d5