Use multiple lines for requires.
Use standard macro to get optimizations.
Prepare for Varnish Cache Plus.
Remove dependency on geoip-geolite.

These two packages are in conflict in EPEL right now, since
GeoIP distributes a very old data file with an overlapping
file name.

It is assumed that users of this VMOD have their own means of
getting a recent data file.

Conflicts:
	vmod-geoip.spec