removed comments from the README that is now in the tutorial and documentation.
modified doc/install/install.rst such that the wording for fizzy.py and formatting of the text has been changed to be complient with rst formatting
removed the header that is generated by qiime during a release version
moved the feature selection tutorial in the index.rst to the experimental section.
clean up the tutorial.
cleanED up the tutorial.
fixed the exception invovled with the PyFeast import.
removed the mention of map file and converted all of them to mapping file
switch option on the output to specify a file, not a path
fixed a typo