Performance improvements.
Color converter speed up.
Convolution3x3 moved to Filters folder.
Generating a color from HSB moved to ColorConverters.
ConvolutionMAtrix moved to Filters folder.
Filters refactored to the separate classes
Bug-fix after refactoring
Filtering rewrited without Color class (direct color channels access used)
Fix image stretching.
Add blur filter to test filtering.
Add matrix multiplication class ( for future use )