Adapt specfile to upstream configure + Makefile

Use installer from https://github.com/leamas/spotify-make to
install package. New installation paths in /usr/share and /usr/lib[64].
Scriptlets chamged to old standard macros, using the register
shell funtions feels like hard to review in package context where
we wnat to copy the files in %install and run gtk-icon-cache in
the scriptlets.

ldconfig removed, no spotify library must ever enter the ld.so cache...

Cleaning up dependencies
Remove Fedora conditionals.

They are plain wrong, and there is already an existing Fedora spec
in much better shape.
Disable check-rpaths the hard way.

Couldn't get the current way of blocking check-rpath to work, had
to do this the hard way. The alternative is to invoke rpmbuild with
QA_RPATHS=10 rpmbuild ... until the rpath is fixed.
Don't drop the libssl/libcrypto deps in filter.

Instead remove the package qualifier (OPENSSL_0.9.8) so the
dependencies are picked up correctly.
Clean up: move HERE documents to separate sources.

With the rest cleaned up the inline docs simply takes to much place.
The wrapper is fixed to match the substitutions made at installation
time to find the binary. LD_LIBRARY_PATH is not needed any more,
spotify's $ORIGIN rpath fixes that.

Drop the zenity dep, it was in upstream spotify.bash which dies
in %prep.