improved some variable names
added pandas as a dependency
adding more complex dm for expanded analyses
improved procrustes section, still needs work but closer
more clean-up
fixed a couple of typos while using in a bio 599 lecture; reduced runtime slightly
fixed missing import
expanded disclaimer
a lot of clean-up to the PCoA section
fixed some typos
reduced runtime
reduced run time
reduced run time
Merge pull request #41 from gregcaporaso/procrustes-work

Procrustes work
updated disclaimer
updated disclaimer
added acks, fixes #7
cleaned up plots, added color bar
added more procrustes discussion
removed 'early development' disclaimer statement