tui + observer + controller unmerged
tui + controller + observer
added init for TUI in Battleship Constructor
changed implementation of Controller a bit
Remove netbeans project files
Ignore netbeans project settings folder
Remove unnecessary libraries
Remove binary and ignore for future
Merge branch 'tui-welcome'

Conflicts:
	.gitignore
	src/de/htwg/se/battleship/Battleship.java