Tooltip tweaks

Added max size and highlight to currently sorted value
Restart animation / loading prompt

Styles and element added to support restart animation and loading prompt
Moved main title up
Added loading message

Shown until json loads
Minor whitespace cleanup
Major reformatting; new features added

Refactored code so "loading" prompt would show early before json load
Added "restart animation" code
Fixed inconsistent array sorting in Chrome
Renamed to fatalities
Refactored setDrawMode method on circlePlotter
Sped up date sorts
Minor formatting changes