New Interface Design & Test Images

New:
● New grouped interface design.
● New test images (in: [root]/More Images).
● Renamed some objects.

Notes:
● The counting sort radio button wont work now because the function
"CountingSort" in Class "countingsort" returns a variable of type
"int[]" instead of "byte[]".
● For logical reasons, the Adaptive Median section of the program
doesn't work right now.