modified to use bipy.core.sequence.DNA
modified to use bipy.core.sequence.DNA
modified to use bipy.core.sequence.DNA
modified to use bipy.core.sequence.DNA
modified to use bipy.core.sequence.DNA
Merge branch 'master' of github.com:qiime/qiime into remove-cogent-DNA

Conflicts:
	qiime/pycogent_backports/blat.py
Modified check_id_map.py to use IUPAC characters from bipy, issue #1421
modified to use bipy.core.sequence.DNA
modified to use bipy.core.sequence.DNA
removed dep on and refs to cogent.DNA
removed dep on and refs to cogent.DNA
removed dep on and refs to cogent.DNA
removed dep on and refs to cogent.DNA
removed dep on and refs to cogent.DNA
removed dep on and refs to cogent.DNA
removed dep on and refs to cogent.DNA
removed dep on and refs to cogent.DNA
Updated import statement from bipy to skbio to match renaming
removed pycogent deps from pynast aligner class
remove cogent deps