tracks reasons for _not_executed
copyright fix
pep8 complaints
Merge branch 'master' of github.com:biocore/bipy
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
made fastq.py pep8 comliant.
Refactor of Trie class
made test_fastq.py pep8 compliant.
updted docstring
Adding documentation
Merge branch 'master' of git://github.com/biocore/bipy into port-procrustes
Fix imports and move to skbio