Add timestamps to log line in stderr

Patch by Christian Kruse
Add guc_setted_typed() function to allow
wal_keep_segmeents to be checked as an integer instead
of text

Patch by Jay Taylor
Add a ssh_options parameter to allow ssh checking
to consider non-default values (ie: a different port)

Patch by Jay Taylor
Update history and credit files
Update debian control file
Files to create the debian package

Patch by: Christian Kruse