player: pan video by just left mouse

pan without ctrl press
player: implement OpenGL Shader Bicubic interpolation for textures

Shader Bicubic interpolation for textures from:

http://www.codeproject.com/Articles/236394/Bi-Cubic-and-Bi-Linear-Interpolation-with-GLSL
v.0.06 added in title info about x64 version
shader: #define USED_BiCubic

moved contol to VideoShader.cpp
player: enable sliders of VideoEQ  that depend of OpenGL if OpenGL render selected

sliders:
- GammaRGB
-FilterSharp
Merge branch 'current-work'