+ changes to pgsql handler
+ now checks if the specified vserver is running.
+ now checks if $PGSQLDUMP/$PGSQLDUMPALL are available where needed.
+ now checks if "postgres" user exists on the host/vserver.
+ changes to ninjahelper
+ check_perms() does not die anymore on group/world readable
+ helper scripts (now consistent with the "helper scripts
+ must not be group or world writable!" error msg).
+ xedit action now tries $EDITOR, then /etc/alternatives/editor,
+ then nano, vim and vi, and aborts if none of these exists.
+ added helper for pgsql handler.
+ rdiff handler now does not require 'label'
+ changes to mysql and svn handlers' vservers support
+ these handlers now check if the source vserver is running
+ added 'ignores' for mysql handler. (thanks Daniel.Bonniot@inria.fr)
+