SDF

SDF
Remove old files from local repository

These files does not meet the name convention.
These files are updated with observations sent by Edson
Updated documentation.
Updated following files...

BacktrackingAlgorithm.py
ConsoleMenu.py
TestConsoleMenu.py
MainSudoku.py
TestBacktrackingAlgorithm.py
Files were updated with Edson's comments.
Merge pull request #18 from villarrealp/master

Updated ConsoleMenu and Backtracking files also its respective unit test files.
MainMenu.py also will be updated.