only include malloc.h on WIN32 - FREEBSD (and others?) have replaced malloc.h with stdlib.h
Varlena material has shifted to new location
Add a test case to trigger bug 291.
Fix for bug291.

The apply trigger messed up the query if a row
was updated to all the same values in case a
table has a multi-column primary key.
Merge branch 'master' of ssh://git.postgresql.org/slony1-engine
bug 294 - fixing documentation error - we just added set 2
more consistent documentation formatting
removing documentation note that applies to PG version prior to 8.0
This version of slony requires at least 8.3
adding documentation note about 8.3 having different table names for pgbench