dsdb-drepl: create a new schedulable event for running pending operations

So instead of running dreplsrv_periodic_schedule when receiving a
DRS_REPLICA_SYNC request which will force the DC to look for changes
with all the DC it usually replicate to, we reduce it to the DC
specified in the DRS_REPLICA_SYNC request. It will allow also to do have the
correct options as set by the client who send the DRS_REPLICA_SYNC.

Signed-off-by: Matthieu Patou <mat@matws.net>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
samba-tool/tests: Force the gecos of the user to a fixed value.

When --gecos is not specified samba-tool user add will try to read the
gecos field from a getpw call. And if user's GECOS is empty (like the
build user on sn-devel-104) then the test will fail because we can't add
an empty gecos.

Signed-off-by: Matthieu Patou <mat@matws.net>
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed May 15 16:19:23 CEST 2013 on sn-devel-104
gensec: Make gensec_interface_version public

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
gensec: Make gensec_security_by_sasl_list static

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
gensec: Make gensec_security_oids_from_ops static

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed May 15 20:05:34 CEST 2013 on sn-devel-104