added method for parsing identified data
added parse_previously_printed
moving bits to modules
added methods for dealing with phyla plots
addressing most comments
tests for filter_mapping_file
expanded docstr
doc update
massage tests
Merge branch 'master' into centralizing

Conflicts:
	americangut/util.py
Merge pull request #74 from wasade/centralizing

Centralizing
method for dumping per sample taxa results
Add count_unique_sequences_per_otu and tests
placeholder commit so i can stop using git stash
another placeholder commit
bootstrap results
method to build indiv and latex commands
Add write_contaminant_fasta and tests
harvest and smash
Address comments from @wasade