Merge branch 'master' of github.com:JerrySievert/Terraformer
Merge branch 'master' of github.com:Esri/Terraformer
allow multipolygons to be closed
Merge pull request #188 from patrickarlt/multipolyogns

Enhance close to work for Polygons with holes and MultiPolygons
Merge pull request #226 from patrickarlt/master

Circle polygon needs to be closed
v1.0.3

add files
Merge branch 'master' of github.com:Esri/Terraformer
Merge branch 'master' of github.com:Esri/Terraformer
add isConvex()
zero angle should not change results
Merge branch 'master' of github.com:JerrySievert/Terraformer
add tests for isConvex()
Merge branch 'master' of github.com:JerrySievert/Terraformer
better convex hull check
Merge branch 'master' of github.com:JerrySievert/Terraformer
fix misplaced returns
Merge pull request #235 from JerrySievert/master

add isConvex()
replace convexHull with monotone chain
fix sorting of convexHull()
Merge pull request #236 from JerrySievert/master

replace convexHull