Merge pull request #1094 from jmaas/master

Remove REMAP_COMPAT from xmlrpc implementation (cobbler 1.6 legacy).
Merge pull request #1095 from jmaas/master

Add a get_valid_archs API using distro_signatures as source.
Merge pull request #1096 from jmaas/master

Consume the get_valid_archs() API from several files.