MAINT: updated brokit package name, partially addresses #1716
MAINT: updated dependency version for burrito-fillings
MAINT: updated dependency link to test the release version of burrito-fillings
REVERT: removed accidentally added files
MAINT: updated to pull burrito-fillings from pypi
Merge branch 'master' of github.com:qiime/qiime into issue-1716-brokit
MAINT: fixed broken import
Merge pull request #1717 from gregcaporaso/issue-1716-brokit

update brokit package name and version requirement