Merge remote-tracking branch 'upstream/gh-pages' into field-mu
Inital stab at mu counts for fields

Still needs work on when not to display, maybe based on field area and
zoom level?
Add thousands separator and bug fix
MU counts for fields with limiting for small fields

Only at higher zoom levels will counts for small fields show.
Resolve conflict and sync
Code breaking bug fix
Fix tabs and add comment about crazy equation
Fix to use identity operators
Fix up nits
One more nit
Use LineUtil.simplify, rearange some code
Merge pull request #368 from Fragger/field-mu

Add Field MU counts for large enough fields