Update .gitignore and readd config.txt
Fixed the compiler errors in the outdated files.
Changed german "Umlaute" so that jenkins can build it.
Convert files to UTF-8
Fix unit test
Some minor bug fixes.
Merge branch 'develop' into feature-MovetableMoves

Conflicts:
	.gitignore
	src/jchess/MoveTable.java
	src/jchess/Moves.java
	src/jchess/config.txt