remove nullary PointSet constructor
add com.bedatadriven.geojson classes, with license and authorship header

several small modifications were needed to use the tree model serializer
and just copying these three small files in was less cumbersome
Merge branch 'master' of github.com:opentripplanner/OpenTripPlanner

Conflicts:
	pom.xml
GeoJSON validation, loading, and simple test
remove stdout output from test, add minimal pointset size check
require number of features in PointSet to be predefined and stable
change comment
read ids from features, fix index increment and range check
PointSet tweaks

avoid a round-trip through a colon-separated string
do not bail on features without "structured" properties
always create categories
skip zero-magnitude attributes on output
load geojson pointsets on server startup
remove unused classes, addresses #1424
basic DC fare calulator, used in profile routing
Merge branch 'master' into experimental