ENH: first steps toward addressing #21
updated to start with multiple sequence alignment, cleaned up seq ids for convenience of interpretability
added myoglobin sequences
added globin unaligned sequences
added aligned globin fasta file
updated to do analyses based on myoglobin
added text and some more content illustrating how to work with alignments
added more text
added common names to alignment
some reorganization
added links
added archeoptryx tree images
updated text
updated output
cleaned up text
cleanup with help from @jairideout
Merge pull request #22 from gregcaporaso/issue-21

ENH: first steps toward addressing #21