Revert "adjusted dummy image url"

This reverts commit 89edc05fac1ac3dee54c439ecf18f80c3524dd43.
More robust chess.

Added a few checks for the move string to make sure its valid also added
the isWhiteMove(String fn) will return true if its white turn. Also
consolidating the unit test.
Fixed the Parsing of the move

Fixed the parsing of the move to allow for white to be in the A,8
Position. This was made looking at the images that were being generated
from the image processing.
updated Chess into twittBranch