Merge changes 26766,26767 into eclair

* changes:
  turn dithering off if it's not needed
  fix [2142193] disable GL_LINEAR when not needed
tree: 5ed9e89c7436a7f738818287d7722ec6f98627b5
  1. awt/
  2. camera/
  3. cmds/
  4. include/
  5. libs/
  6. opengl/
  7. vpn/
  8. MODULE_LICENSE_APACHE2
  9. NOTICE