Added new 'world' methods
passing event handlers. see #4807 #4803
Editor: Added headers.
blender exporter: fileextention from ".js" to ".json"
Merge pull request #5428 from jpcloud/dev

blender exporter: file extension from ".js" to ".json"
permute onProgress and onError in TGALoader
Merge pull request #5423 from vincent/dev

passing event handlers. see #4807 #4803
BufferGeometry: Added center placeholder.
Moving THREE.Script to the Editor.
Merge remote-tracking branch 'origin/dev' into dev
Merge pull request #5420 from WestLangley/dev-world

Proposal: new 'world' methods
Object3D, Camera: world* methods to getWorld* (and some refactoring). See #5420.
Updated builds.
Moved Geometry.makeGroups to WebGLRenderer.
Updated builds.
Minor example fix.
Fix wrong texture’s object reference in image loader callback
Merge pull request #5432 from s9k/collada-fix

Fix wrong texture’s object reference in image loader callback
Finished world* renaming. See #5420.
WebGLRenderer: Delete geomtryGroup on deallocateGeometry.