Added count-based hull colorer
Reorganized geometry code.
Pruned imports.
moved test case
Use Polygon
More WIP on Polygon stuff from last week
Added Polygon annotations and JSON support
lint fixes for Polygon JSON
Special-casing PiP queries.

When the queried point is one of the points that defines the polygon,
return true instantly rather than doing the winding-number calculation.
Added Annotatable as trait
Added types to Annotatable
Added LineString
Added decimate to LineString
renamed gps.scala
WIP on power_bests
LineString ctor takes a Seq
Array -> Seq in common
first cut at power_bests
eliminate overlapping efforts
minor refactoring