SchlegelTransformer: Fix missing $, that will work with the polymake wrapper
SchlegelTransformer: dryed testcase
SchlegelTransformerTest: corrected argument order of assertEquals
SchlegelTransformerTest: use real world output from polymake, to make it easier to compare it with a real execution of the transformer in polymake.
PointGroupsUtility: a new utility class for point groups, i.e. to load the standard properties for the project
PolymakeTestExecutor: a new class that can execute the polymake daemon and deliver the result for testing purpose
SchlegelTransformerTest: test the transformer with a real polymake execution
Merge branch 'UiViewer'