Massive refactor
Merge branch 'master' into gh-pages
Include data set notes
Added better time entry
Added better data set handling
Added P/E data and visual tweaks
Refactored drawing to prepare for overlays
Moved things into new files.
Housing data sets + support for non-month periods
Basic overview graph
Added scrubbing.
Website tweaks.
Added overlays.
UI Work
Merge branch 'master' into gh-pages