Add colorkey to D3D2 texture load.
Ignore alpha channel in D3D colorkey.
Partially fix rendering T&L vertices.

git-svn-id: https://www.williamfeely.info/svn/dxgl@522 8a90861a-4eca-46d5-b744-240ff16d0c4d
Fix texture filtering in older Direct3D rendering.
Add experimental display crop mode.

git-svn-id: https://www.williamfeely.info/svn/dxgl@523 8a90861a-4eca-46d5-b744-240ff16d0c4d
Update release version.  Add help for experimental crop to screen mode.

git-svn-id: https://www.williamfeely.info/svn/dxgl@524 8a90861a-4eca-46d5-b744-240ff16d0c4d