sunburst viewer shows all axiom formulas as primary formula in th einference view

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@2131 85d21ef8-add0-11de-ae77-5bfb9c5a3f34
pushing to version 1.9

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@2132 85d21ef8-add0-11de-ae77-5bfb9c5a3f34