Activate sensible samba init script handling for DC enabled system.
Update samba.spec to more closely resemble rawhide 4.1.1 spec file.
Use '%{with}' consistently in samba.spec.
Merge changelog from samba from Fedora.
Discard swat.desktop file.
Discard upn patch, no longer used.
Clean up logic around with_systemd original setup, regularize white space for  --with stanzas.
Alphabetize library file listings, use '%{name}' wherever feasible.