Merge pull request #1 from jyaganeh/master

rename some geojson specific stuff in preperation to work on esri-json support
wip
refactor all the geojsons into a serializer
encode/decode strings only
derp
nother derp
encode/decode instead of de/serialize
Merge pull request #2 from courtf/serialization

move geojson into a serializer/deserializer
cleanup
geojson tests fixed, some tweaks
decode proxy func
some little tweaks
EsriJSON decoding
polygonContainsPoint and various tweaks
Merge pull request #3 from courtf/master

polygonContainsPoint and various tweaks
lineLineIntersect and lineStringsIntersect
public esrijson decoder funcs
start on encoding EsriJSON
encode/decode EsriJSON, part 1