Third alpha release!

• Added thirst realization of RGB color caching (RGBManager);
• Added injection version(RgbCachingOn) into few modules for using RGB caching;
  This future turned on by default;
• Added static method getColor into RGBColor for working with RGB manager;
• PPM worker now uses RGB manager by default
• Most arithmetic functions in RGBColor now uses RGB manager
• Added lazy realization for convolution function (convolutionNew). Old functions 'convoluiotion' and 'convolve'
  are deprecated;
• Now surface Ctor is not initialized by color. For this added methos Surface.initialize(RGBColor);