Fix 0.4

+ changes in the structure of the program
+ add class Histogram
+ add class SystemHelper
+ add metod GrawHistogram
+ add list file name
+ fix interface
+ fix GetHistogramm
+ fix resize histogram
+ fix loading standart images
+ fix histogram (resize)
+ fix compare histogram
+ fix delta (metod Compare)
- del Image_rec
- del MessageInfo form
- del metod PreparationStandards
- del metod ResizeOriginalImage
- del metod CalculateLevels
- del metod FindMinS
- del metod ResizeImage