Add support for binary packages

[ntdef]

Right now this project only supports packages stored under /src/. To offer a full featured CRAN repo we need to support binary packages.

I don't have a Windows environment to test with but we should procure one.

[jameslamb]

I think there are Windows AMIs that are free

I think.

[ntdef]

Travis just added support for Windows.

[bburns632]

Thank you for your interest. However, this project will be archived shortly. More details in #77 .