D3D11 bytecode to GLSL compiler

[gongminmin]

The shader in KlayGE is mostly written in D3D11 HLSL or Cg. But the Cg to GLSL compiler is not good enough for every shader. So the best solution is generate GLSL from D3D11 bytecode. It's similar to  Mojoshader, but handles SM4 and SM5.

[gongminmin]

Steps:
1. D3D11 disasm.
2. VS/PS bytecode to GLSL.
3. GS/HS/DS to GLSL.
4. fxml JIT.
5. (Optional) CS to OpenCL.

[gongminmin]

fxml JIT should be a independent function (ticket #90). So the steps become:

1. D3D11 disasm.
2. VS bytecode to GLSL.
3. PS bytecode to GLSL.
4. GS bytecode to GLSL.
5. HS and DS bytecode to GLSL.

[gongminmin]

Initial code is added in changeset 09e35e6bdb498d203df2b986addb7b625763816b.

[gongminmin]

Updaged in changeset 00a2930a1371998cc662dc1cfe2c630f85784a8b, 44e7bf711463a8d2635c1deebfa8774b213aca34, 200a99efe0eb56bae2c8b6d2f2934cc8447b0e06, a777ca30b781b1e4e4f4ce07a16c4f20c57ec658, 1955c5b98045ea5e7be8b350c1d87ac45e183971.

[gongminmin]

1) in changeset 09e35e6bdb498d203df2b986addb7b625763816b. 2) and 3) are done since bd2de1b42d87ade978d4aa5294baf283a33653e5.

[gongminmin]

4) in changeset 08eec07a21b436c740d6c7b1ad706412c089ac52. 5) is deferral to next version.

[gongminmin]

5) in changeset 16c8995aa5a98a0dcd9ff22d5434b222dd679a95.