API: uneven_subsample
BUG/MAINT: fixed doctest import for subsample, made uneven_subsample available
Merge branch 'master' of github.com:biocore/scikit-bio into subsample_seqs

Conflicts:
	skbio/alignment/_lib/__init__.py
BLD: fixed import error
DOC: fixed carry over from qiita
DOC: added default, thanks @adamrp
DOC: added default, thanks @adamrp
DOC: gt to gte, thanks @adamrp
DOC: typo
Merge branch 'master' of github.com:biocore/scikit-bio into subsample_seqs
STY: flake8 and checklist
BLD: py3, should have fixed it
PY3: maxint is not a py3 concept
PY3: smarter sorting
MAINT: using maxsize, thanks @Jorge-C
DOC: misstatement, thanks @Jorge-C
No longer importing in alignment lib, thanks @jairideout
MAINT: buffer size to 1000, and refactored name. Thanks @Jorge-C
DOC: example with min of 2, thanks @gregcaporaso
DOC: more desc. on bin_f, thanks @gregcaporaso