tracks reasons for _not_executed
Merge branch 'master' of github.com:biocore/bipy
Port procrustes module

Ports the procrustes module, along with the tests and improved
documentation that's compliant with @jrrideout's annoying guidelines.
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
Change non-PEP8 compliant statements
Refactor of Trie class
Merge branch 'master' of git://github.com/biocore/bipy into port-create-dir

Conflicts:
	skbio/util/tests/test_misc.py
Adding documentation
Remove the currying function

Replace it with functools.partial
Merge branch 'master' of git://github.com/biocore/bipy into port-procrustes
Fix imports and move to skbio
Move procrustes to maths.stats.spatial
Fix comments as suggested by @ElBrogrammer
Finally, nuke all occurrences of bipy
Adding tests
Adding fasta_to_pairlist functionality
Fixing Yoshiki's bug