Swapping Version and Release per RPM conventions.

Per http://www.rpm.org/max-rpm/s1-rpm-build-creating-spec-file.html

+ The version line should be set to the version of the software being
  packaged. The version will also be included in the package label,
  and the package filename.
+ The release is a number that is used to represent the number of
  times the software, at the present version, has been packaged.