DOC: updated readme
Finish semantic type system section
DOC: add plugin system section
DOC: start reformatting beginning sections < 80
DOC: Finish reformatting to < 80 chars
DOC: cleanup to existing text, filled out more details throughout
DOC: add intro paragraph to executive summary
DOC: clean up roadmap based on comments from @gregcaporaso and @ebolyen
MAINT/DOC: Move roadmap doc into ROADMAP.md.
DOC/MAINT: fix broken section link
Merge pull request #4 from ebolyen/exec_summary

Proposed QIIME2 Roadmap
refactoring package structure, so the framework lives in its own folder
Fixing travis
ignoring the qiime2.db
Merge pull request #14 from josenavas/refactor-package-structure

Refactor package structure
Merge branch 'first-pass-api' of https://github.com/gregcaporaso/metoo into first-pass-api

Conflicts:
	qiime/plugins/qiime/downstream/methods.py
	qiime/plugins/qiime/methods.py
	qiime_plugin/methods.py
MAINT: moved files around