tracks reasons for _not_executed
copyright fix
pep8 complaints
Merge branch 'master' of github.com:biocore/bipy
 added fastq bipy from cogent
Added test code for fastq.py from pycogent.
updated copyrtight message. fixed pep8.
Updated docstring.
updated file header to bipy headers
Port procrustes module

Ports the procrustes module, along with the tests and improved
documentation that's compliant with @jrrideout's annoying guidelines.
removed functionatlity that allowed a string to be passed in for a filepath.
updated unit test to pass with out external dependencies.
updates to test_fastq.py
updates to test_fastq.py
Port create_dir to bipy

This ports all the needed code used in create_dir as well as other
functions that the code depends on.
Add correctly formatted docstrings for create_dir
Add docstrings for curry
Make the PEP8 gods happy
made fastq.py pep8 comliant.
Change non-PEP8 compliant statements