Add Zone height fog support, HeightFog shader option and techniques.
Add GammaCorrection and AutoExposure post processing shaders.
Add near & far clip PS uniforms.
Add 3d texture support and (3d LUT based) ColorCorrection post processing shader.
Add HDR renderpath support, BloomHDR, Blur and Tonemap post processing shaders.
Travis CI: API documentation update at 2014-01-27 06:40:45 UTC.
[ci skip]
Fix fog calculation in water shader.
Convert all Vector<T> and PODVector<T> to Lua table.
Travis CI: API documentation update at 2014-01-27 14:24:36 UTC.
[ci skip]
Refactor push PODVector<UserType> functions.
Merge branch 'master' of https://github.com/urho3d/Urho3D
Update Audio Lua API.
Update PrepassHDR renderpath, rename prealpha pass to postopaque and add refract pass.
Web-sync at 2014-01-28 06:42:26 +0800.