Need CRAN versions of all packages

[knausb]

The packages metacoder and taxa currently require GitHub versions for the site to build properly. Before the workshop this site should be able to build with CRAN versions and no GitHub versions should be required.

[Neato-Nick]

Specifically, the write_phyloseq branch of metacoder contains the functions needed for the workshop. Additionally, will the glossary package need to be on CRAN before the workshop, or is that one OK just as a github package?

[zachary-foster]

I think all the code presented needs to run with CRAN versions of taxa and metacoder, not necessarily building the website, although building the website is a good test of that. I don't plan on submitting the glossary package to CRAN anytime soon. It is very rough right now