Merge branch 'dev' of https://github.com/mrdoob/three.js into dev

docs/api/core/Geometry.html

@@ -287,7 +287,7 @@
 		<h3>[method:null normalize]()</h3>
 		<div>
 		Normalize the geometry. <br />
-		Make the geometry centered and has a bounding sphere whose raidus equals to 1.0.
+		Make the geometry centered and has a bounding sphere whose radius equals to 1.0.
 		</div>
 
 		<h3>[method:Geometry clone]()</h3>