Bugfix for multiple vars in one string, if the string

src/de/tud/kom/p2psim/impl/scenario/DefaultConfigurator.java

@@ -662,7 +662,7 @@ public class DefaultConfigurator implements Configurator {
 	}
 
 	public String parseValue(String value) {
-		if (value.trim().startsWith(CONFIG_VARIABLE_PREFIX_TAG)) {
+		if (value.trim().startsWith(CONFIG_VARIABLE_PREFIX_TAG) && !value.trim().startsWith(CONFIG_VARIABLE_PREFIX_TAG + "{")) {
 			int posDollar = value.indexOf(CONFIG_VARIABLE_PREFIX_TAG);
 			String varName = value.substring(posDollar + 1, value.length());
 			value = variables.get(varName);