New Map Panel

New map panel.  Compatible with Geopoints and two-letter country codes.  Overview of features:

 - Two map projections (mercator and orthographic)
 - Geopoints - small dots that represent geopoint coordinates
 - Binning - Aggregation of geopoints into binned hexagons. Color and size customizable, capable of using secondary field (switches facet from Terms to TermsStatistics)
 - Bullseye - Places a circle around a coordinate.
 - Choropleth - color code countries based on density of values corresponding to the two-letter country code.