Added a SourceTracker tutorial rst file and image related to that tutorial
Merge branch 'master' of github.com:qiime/qiime into sourcetracker_tutorial
Removed example output from help command in order to avoid confilicts with changes to the option list in future releases.
added text to clarify the description of the filter_otus_from_otu_table.py
Improved the description of adding columns to the mapping file.
made a few minor changes to clarify descriptions and fix grammer.
added the print_qiime_config.py command to the tutorial.
Merge branch 'sourcetracker_tutorial' of git://github.com/johnchase/qiime into st-tutorial
renamed tutorial to be less method-specific in case we have other source tracking methods in the future
added mechanism for qiime to know about sourcetracker
changed mechanism by which QIIME knows about SoruceTracker
started on some edits to the @johnchase's tutorial
Merge branch 'master' into st-tutorial
Merge branch 'master' into st-tutorial
updated to use SourceTracker 0.9.5 (which is called differently)
updated to described the changes in these commits
worked on the writing a bit
added note on st in install notes
fixed typo
Merge pull request #880 from gregcaporaso/st-tutorial

some edits on top of @johnchase's SourceTracker tutorial