* WebGLRenderer: Add support for multiple programs per material.

* WebGLRenderer: Fix merge.

* WebGLRenderer: Fix comment.

* WebGLRenderer: Fix updateCommonMaterialProperties().

* WebGLRenderer: Clean up.

* WebGLRenderer: Update currentProgram in getProgram().

* refact to use es6

* refact to es6

* fix build

* fix lint

* fix static methods.

* revert EventDispatcher.js since it is converted by someone else

* revert PropertyBindings.js since it is converted by someone else

* revert Camera.js and PerspectiveCamera.js, since it break the test.

* Examples: Removed old wireframe shader.

* Examples: Adjusted thickness in wireframe example.

* Examples: Use GLSL1 in wireframe demo.

* Examples: Enable extensions in wireframe demo.

Docs: Fix broken links.

Mesh: Fix face indices in intersection object.

* added a condition to catch the case where a hovered object doesn't get hoveredoff before a different object is hoveredon.

* DragControls fix for issue #21375

* make ATC wireframe lines a consistent thickness

* Add spacing, variable rename

* fix screenshot

* consistently set the material thickness

* update screenshot from new variable change

* make ATC wireframe lines a consistent thickness

* Add spacing, variable rename

* fix screenshot

* fixed illegal feedback

* x === true .. over Boolean(x)

* toggle reflector externally

* rm comments

* add empty lines

* ImageUtils: Added warning when saving image as jpg.

* Fixed trailing spaces

Material: Add alphaToCoverage.

SSRPass : fixed MAX_STEP

Making targetRay data available under hands mode