trying to clean vol 4
Merge branch 'master' into wttek

Conflicts:
	src/Test.java
Merge branch 'master' into wttek

Conflicts:
	src/Test.java
a method getting and formatting state sequence not ready yet
Merge branch 'master' into wttek

Conflicts:
	src/gui/PuzzleMainWindow.java
added choosing initial statement option, some changes needed
added choosing initial statement option
Merge pull request #8 from wttek/wttek

initial position choice option added