Added class SimpleDBBoardGenerator

Added SimpleDBBoardGenerator which will actually put words from a Wordlist
into the board (doesn't work jet).
Added getWord(int position) method in Wordlist.

	new file:   WordFinder/src/ch/unibe/scg/team3/board/SimpleDBBoardGenerator.java
	modified:   WordFinder/src/ch/unibe/scg/team3/wordlist/Wordlist.java
Merge branch 'master' of github.com:ese-unibe-ch/ese2013-team3
Added SimpleDBBoardGenerator which will actually place words on board

The added class will randomly take words in a wordlist and try to fill them
into the board (does not work yet).
Added getWord(int position) method in Wordlist.