changed Encoding to UTF-8

plugins/org.yakindu.sct.model.sexec.interpreter/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

test-plugins/org.yakindu.sct.model.sexec.interpreter.test/.settings/org.eclipse.core.resources.prefs

@@ -1,3 +1,4 @@
 eclipse.preferences.version=1
 encoding//testmodels/SimpleEvent.sct=UTF-8
 encoding//testmodels/ValuedEvents.sct=UTF-8
+encoding/<project>=UTF-8