update readme plot_richness
v1.1.53 fixed title issue in plot_network, plot_richness

Also added back missing analysis vignette
v1.1.53 added back analysis vignette
v1.1.53 fixed readme.md conflict
Merge pull request #145 from joey711/ggplot2-092

v1.1.53 fixed title issue in plot_richness, plot_network
v1.1.54 Updated plot_ordination to label "taxa" instead of "species"

- Changed "species" label in different plot_ordination() graphics to
"taxa"
- Fixed an issue with a default parameter in a related internal function
	(changed "samples" to "sites" for vegan compatibility).
v1.1.55 added title argument to plot_scree()

phyloseq 1.1.55
===========
- Added "title" argument to plot_scree() and plot_ordination(…,
type="scree"), for consistency.
v1.1.56 Added attribution of contributions from Scott Chamberlain and Gregory Jordan
v1.1.57 Added fix for tree-quote problem in phyloseq()
v1.1.57 Added fix for tree-quote problem. Plus unit tests.

Unit tests added in this commit to test for proper tree-quote handling
in the future...
Merge pull request #148 from joey711/fixes

v1.1.57 Fixes tree quote problem, affecting taxa names in imported tree files
v1.1.58 fix import_qiime bug for empty taxonomy strings
Merge pull request #152 from joey711/fixes

v1.1.58 fix import_qiime bug for empty taxonomy strings
v1.3.0 Level up, updated DESCRIPTION, NEWS

Somewhat trivial. New updates will be 1.3+
v1.3.1 Add plot_bar and psmelt functions
v1.3.1 added new function plot_bar(). plot_taxa_bar() now deprecated.

 - New function: plot_bar() that is simpler more reliable than
plot_taxa_bar.
- plot_taxa_bar now deprecated.
	- labeled deprecated in title doc
	- replaced examples in vignette with plot_bar examples
v1.1.31 level-up dependencies, where appropriate
Merge pull request #154 from joey711/draft-updates

v1.3.1 Add plot_bar and psmelt functions. plot_taxa_bar() now deprecated.
v1.3.2 initial commit - revise import_biom()

More robust and flexible.
v1.3.2 further improvements to taxonomy parsing functions

Improved import_biom, and more robust handling of greengenes taxonomy
data by parse_taxonomy_greengenes()