Split summarize_taxa_through_plots.py workflow up.

Still need to add compare_taxa_summaries.py and plot_taxa_summary.py steps.
Merge branch 'master' into issue_82

Conflicts:
	my_microbes/util.py
	scripts/personal_results.py
Added comparison of taxa summaries.

Code still needs to be cleaned up (it's pretty hackish right now).
Merge branch 'master' into issue_82
Split taxa summary code out into its own function.
Merge branch 'master' into issue_82
Merge pull request #96 from jrrideout/issue_82

Taxa summaries are now made compatible before creating plots.