updated TODO
reformatted some documentation
hard-wrapped home pages
conform math7 index and pacing guide to site-wide styles

TODO:
- math7 main pages (syllabus, standards)
- math7 sub pages (unit overviews)
- (optional) math7 lessons
updated unit 6, index, and todo
abstracted caption borders
abstracted quasi-paragraph borders
Merge branch 'hotfix' into typo
conform unit overviews to site-wide styles
styled syllabus
styled top-level pages TODO: individual lesson pages
resume formatting
added message tags
Merge branch 'typo' into edu
updated no calculator labels
Merge branch 'edu' into dev-3_0_2