fix unittests

Fixed a typo in the manual.

fix constants tests

update Polyfills test to remove TODOs in the unit tests

ColladaLoader: Make loading of textures more fault tolerant

Make sure variable isn't redeclared every new object

https://lgtm.com/projects/g/mrdoob/three.js/snapshot/32fd13b241a1001af0045c3263d17dc2e133f482/files/src/animation/AnimationObjectGroup.js?sort=name&dir=ASC&mode=heatmap&excluded=false#xf94deba613c6f9ba:1

Updated file name: "How-to-run-thing-locally.html" is now "How-to-run-things-locally.html".

Rename How-to-run-thing-locally.html to How-to-run-things-locally.html. Just added an "s" at the end if "thing" in the filename.

RectAreaLight: light intensity is now light brightness

Allow instantiating WebGLTextures from a worker

DeviceOrientationControls: clean up

Pixel shader example: Clean up

Update LICENSE

WebGLProgram: Trim log messages

Make sure variable is declared in correct scope

https://lgtm.com/projects/g/mrdoob/three.js/snapshot/32fd13b241a1001af0045c3263d17dc2e133f482/files/examples/webgl_geometry_extrude_shapes2.html?sort=name&dir=ASC&mode=heatmap&excluded=false#x827e0a07d6037cbe:1

https://lgtm.com/projects/g/mrdoob/three.js/snapshot/32fd13b241a1001af0045c3263d17dc2e133f482/files/examples/webgl_postprocessing_pixel.html?sort=name&dir=ASC&mode=heatmap&excluded=false#xe096d56c13b4e91d:1

Allow a custom loader manager to be used with OBJLoader2

Improve code readability

assignement to itself is unnessecary

https://lgtm.com/projects/g/mrdoob/three.js/snapshot/9787df2d17f268a60d2b194a532620a8ee502111/files/utils/converters/fbx/convert_to_threejs.py?sort=name&dir=ASC&mode=heatmap&excluded=false#xaaf74a80914aab53:1

remove conditions that are always true

visual studio folder can safely  be ignored