Merge remote-tracking branch 'upstream/master'
add convexHull() to primitives
add Polygon.contains(point)
add coordinatesContainPoint and convexHull to Tools namespace
Merge pull request #49 from JerrySievert/master

add convex hull and polygon contains point
build
Merge branch 'master' of github.com:geoloqi/Terraformer
rebuild
Merge branch 'master' of github.com:JerrySievert/Terraformer
add node_modules for travis-ci
Merge pull request #50 from JerrySievert/master

add node modules
Merge branch 'master' of github.com:geoloqi/Terraformer
fix links

`[]()` instead of `()[]`
Merge pull request #51 from ngoldman/patch-1

fix links
Merge remote-tracking branch 'upstream/master'
add county rtree example
Merge pull request #52 from JerrySievert/master

add county example
Merge remote-tracking branch 'upstream/master'
modify rtree to have serialize/unserialize
Merge remote-tracking branch 'upstream/master'