Use packagever as base for rubyver and pkgrel.
Use packagever as base for rubyver and pkgrel.

This way we can use different pkgrel's for different ruby versions.

oneclick/rubyinstaller2,oneclick/rubyinstaller2,oneclick/rubyinstaller2,larskanis/rubyinstaller2,larskanis/rubyinstaller2,larskanis/rubyinstaller2