Point2D.y has to be public

Made Point2D.y public. Some cleanup in the unit tests.
Envelope2D serialize; OperatorDistance optimized for Point to Envelope;A bug in Polyline vs Polygon intersection;SimpleRasterizer for acceleration
Update JsonReader.java

Inline fix for JSONArrayEnumerator.getCurrentObject() - use JSONArray.opt instead of JSONArray.get
Merge pull request #27 from Esri/serg_some_fixes

Envelope2D serialize; OperatorDistance optimized for Point to Envelope;A...
marked setXY public as well as some other methods
remove comments
marked two methods on Point2D public
Merge pull request #31 from Esri/issue_30_change_visibility

Issue 30 change visibility
make RasterizedGeometry2D public
local build cannot handle several classes in one java file
Merge pull request #33 from Esri/stolstov/issue_32

make RasterizedGeometry2D public
Merge pull request #2 from Esri/master

sync