- Add %%{?_smp_mflags} to make.
- Remove rpath.
- Changes by Christopher Meng comments in review bz#518317:
- Drop El5 support, remove related legacy stuff like BuildRoot, explicit %%defattrs and cleanups.
- "Macroisation" deal wich systemd services (http://fedoraproject.org/wiki/Packaging:ScriptletSnippets#Macroized_scriptlets_.28Fedora_18.2B.29).