Remove redundant pkg-config cgo directives
Add MagickWand.GetImageFloats() (+tests) for returning float pixel data
Merge pull request #7 from justinfx/cgo-pkg-config

Remove redundant pkg-config cgo directives
Merge pull request #8 from justinfx/API-imageFloat

Added MagickWand.GetImageFloats() (+tests) for returning float pixel data
Merge branch 'master' of https://github.com/gographics/imagick