Merge pull request #10 from audy/picrust

Added Picrust
added picrust to Makefile
fixes #6
updated list of dependencies
specify correct default path
specify correct path to PICRUST scripts directory
use hardcoded filenames instead of globs
added script to combine (otu) tables
Merge branch 'master' of github.com:audy/richardson-2014
added loess timeseries
added basic ordination script. Addresses #13
addresses #13 - added color by factor
Merge pull request #15 from audy/plot-ordination

Plot ordination
Resolves #14
dont normalize if you dont want to
Merge branch 'master' of github.com:audy/richardson-2014
updated data repository to HEAD
Merge pull request #16 from audy/load-tree

Resolves #14
closes #18
Merge pull request #20 from audy/correct-copy-number

closes #18