Make use of newer tokens in specfile template

...or,

> ...maintain "state of the art" templates by comparing with peer
> projects.

packaging/template.spec

-Name:		satcmd
+Name:		__MKIT_PROJ_PKGNAME__
 Version:	__MKIT_PROJ_VERSION__
 Release:	1%{?dist}
-Summary:	satcmd - __MKIT_PROJ_TAGLINE__
+Summary:	__MKIT_PROJ_NAME__ - __MKIT_PROJ_TAGLINE__
 
 License:	LGPLv2
 Source0:	%{name}-%{version}.tar.gz