Fixes #161: Add OPA Number label to popup
Make sq ft label same as in other places in app
Fixes #160: Add year built to details header
Fixes #158: Set bar chart 1 x-axis to Year Built
Fixes #146: Add note re: 2012 data to time scatterchart
Bugfix undefined values in scatterplot tooltip
Merge pull request #171 from CloudNiner/feature/misc-simple-fixes

Feature/misc simple fixes