- read_from_db(): provide a working $colformat['ts'] for postgresql
_and_ mysql (the only mysql/pgsql-specific code in DomainHandler,
everything else works with both)
git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@1242 a1433add-5e2c-0410-b055-b7f2511e0802