[MOD] Add an operation to round results

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48285 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] installer: Fix logic on database creation if $dbname not found (re wish4819 - need to reconnect without specifying db name and try again now)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48286 b456876b-0849-0410-b77d-98878d47e9d5