- move DEF, DEFI, DEFB handling into the register counting pass
- keep track of defined constants as a linked list (because there's a
  few of them)
- apply immediate constants after global constants in the constant
  loading function
- both types of constants now get loaded with array notation in the
  shader (into the same array)

Do not AddRef the DirectDraw interfaces in CreatePalette of older
interface version, and add a test for that.

wined3d: Add an "\n" to a fixme to fix another overflow (in IWineD3DImpl_CheckDeviceFormatConversion).

Ignore generated programs from the top-level .gitignore.