shorewall: allow to list multiple zone names

This allow to define internal or external zones with different names.
mds: bump version to 2.5.70 (RC)
core: bump version to 3.1.70 (RC)
shorewall: fix interfaces regexp
base: more robust LDAP search filters

Fixes #2407
network: surround the PAC url with quotes

Fixes #2429
mds: bump version to 2.5.71 (RC)
core: bump version to 3.1.71 (RC)
sshlpk: run updatesshkeys hook on delSSHKeyObjectClass, addSshKey and delSshKey

Fixes #2353
core: the default page must also be visible
sshlpk: add user ssh keys page management

With the correct ACL the users can manage their own ssh keys.

Also use a dynamic sidebar for the users sub module.
network: fix reverse entry creation in zone records page
network: fix zone records page display

Fixes #2373
network: allow to create DNS zone with netmasks other than 8, 16 or 24

But, if a reverse zone is asked, it won't be created.

Refs #2167
mds: bump version to 2.5.72 (RC)
core: bump version to 3.1.72 (RC)
mds: bump version to 2.5.73 (RC)
Revert "core: Select all when validating make deployment by proxy selects"

This reverts commit ae12782f43f450cdb1fc7c00952d3bfd2a10d657.

This breaks the MembersTpl widget (secondary groups and others).
mail: mail delivery can be disabled
ppolicy: lock account when disabling user