Added glossary framework and OTU defs.

Still need to add other definitions.
Merge branch 'master' into issue_88
Added alpha diversity glossary.
Added beta diversity glossary.
Added ordination glossary.
Merge branch 'master' into issue_88

Conflicts:
	my_microbes/format.py
Merge branch 'master' into issue_88

Conflicts:
	my_microbes/format.py
Merge branch 'master' into issue_88
Merge pull request #94 from jrrideout/issue_88

Added glossary of technical terms.
Fixed typos in beta diversity and OTU glossary entries.
Merge pull request #99 from jrrideout/issue_98

Fixed typos in beta diversity and OTU glossary entries.
Added main index page.

This fixes #16.
Refactored format.py unit tests.

Also refactored/decomposed various functions in format.py to be easier to test. The unit tests shouldn't be such a pain to maintain now.

This fixes #97.
Merge pull request #100 from jrrideout/main_page

Added main index page.
Merge branch 'master' into issue_97

Conflicts:
	my_microbes/format.py
	tests/test_format.py
Merge pull request #101 from jrrideout/issue_97

Refactored format.py unit tests.
Added credits to footer.

Fixes #102.
Added taxa summary plot axis descriptions.

Fixes #103.
Fixed minor code formatting issue.
Added note about java to beta diversity tab.

Fixes #90.