Use Java 7

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Synchronized SOM code with TruffleSOM

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Added checkstyle settings from TruffleSOM and synced JDT preferences

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Apply checkstyle coding style

- also synchronized minor details such as toString() methods with TruffleSOM

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Get rid of Checkstyle: stop where possible

Introduced static print functions in Universe instead of using System.out/err

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Move send of special selectors into Object

- did that before in TruffleSOM to avoid the use of special selectors all over the place
- also takes care of some duplicated code for DNU

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Use Universe print function consistently

Signed-off-by: Stefan Marr <git@stefan-marr.de>