Merge pull request #10 from paczian/master

minor bugfixes
fixed functions to return arg_list
Merge pull request #11 from teharrison/master

 	fixed functions to return arg_list
stub for biom col merge - making metagenome groups
updated qc plots to use retina
updated collections to use rarefaction plot
Merge branch 'master' of github.com:MG-RAST/ipy-mkmq
bug fix
added auto-scale for x,y retina plot
turned off dots in plot
bug fix
added biom column merging function (for metagenome grouping)
Merge pull request #12 from teharrison/master

bug fixes and new features
added wrapper function to check if a cache of analysis set exists, and if so use that, otherwise pull through api and create cache
Merge pull request #13 from teharrison/master

 	added wrapper function to check if a cache of analysis set exists, and if so use that, otherwise pull through api and create cache
fixed docstring bug
Merge pull request #14 from teharrison/master

 	fixed docstring bug
Added a simple, non-working skeleton for Genome class.
more docstrings, fixed bug in dump, heatmap subselection - now ignores rows in list not part of biom object
Merge pull request #15 from teharrison/master

 	more docstrings, fixed bug in dump, heatmap subselection - now ignores rows in list not part of biom object