Merge pull request winjs#1696 from winjs/llongley/PointerDownFix

 Fixing a bug where we aren't properly clearing pointer down state if we don't receive a pointer up event

Rev'ing WinJS to 4.4.4

Rev'ing WinJS to 4.4.3

Fixing a few lint errors

Bumping version number

Bump to v4.3.1.

Updating version to 4.3

4.2.0

4.1.0

4.0.1