Change bipy imports to skbio imports

Should fix the failing tests
Merge pull request #1427 from ElBrogrammer/skbio-fix

Change bipy imports to skbio imports
Merge branch 'master' of https://github.com/qiime/qiime into FilePath

Conflicts:
	qiime/compare_distance_matrices.py
	qiime/identify_chimeric_seqs.py
	qiime/process_sff.py
	qiime/stats.py
	qiime/trim_sff_primers.py
	qiime/util.py
Add correct import back into print_qiime_config

Used to import from qiime.util, which just imported from qcli. Now the script
just imports directly from qcli