update LICENSE.txt
diff --git a/org.eclipse.osbp.xtext.chart.ui/icons/LICENSE.txt b/org.eclipse.osbp.xtext.chart.ui/icons/LICENSE.txt
index 0b4722c..8c32fde 100644
--- a/org.eclipse.osbp.xtext.chart.ui/icons/LICENSE.txt
+++ b/org.eclipse.osbp.xtext.chart.ui/icons/LICENSE.txt
@@ -23,5 +23,7 @@
 dsl_import.png
 dsl_option.png
 dsl_range.png
+logo_osbee.png
+os-bee-logo-2016-cmyk_transparent.png
 model.png
 package.gif