Change documentation (issue #7)
This version introduces multiple enhancements:

Modified part for core libraries.
All documentation changed to english language, and written missing documentation.
Also changed some code convention in the same files.

Details of additions/deletions below:
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Modified:   /BLUE_FRAMEWORK/packages/image/image_class.php
            -- Modified --
               changed code conventions
               added documentation
               documentation changed to english

Modified:   /BLUE_FRAMEWORK/packages/misc/math_class.php
            -- Modified --
               changed code conventions
               added documentation
               documentation changed to english

Modified:   /BLUE_FRAMEWORK/packages/misc/rss_class.php
            -- Modified --
               changed code conventions
               added documentation
               documentation changed to english

Removed:    /BLUE_FRAMEWORK/packages/misc/parametr_class.php
Removed:    /BLUE_FRAMEWORK/packages/misc/nokaut_class.php
Removed:    /BLUE_FRAMEWORK/packages/image/pokaz_obraz_class.php