100% width pages.
Merge pull request #24 from davidzchen/ui-tweaks

100% width pages
Visualizer graph view fills vertical screen space.
Merge pull request #25 from davidzchen/ui-tweaks

Visualizer graph view fills vertical screen space
Clean up error messages and alerts.
Merge pull request #26 from davidzchen/ui-tweaks

Clean up error messages and alerts
Merge branch 'master' into release-3.0