Bump version to 2.01

Change-Id: If53a51815e42ddcac3d58e87e4d1ef1fbf09dbe1
diff --git a/build.gradle b/build.gradle
index 56cf4ab..ed0d174 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,4 +5,4 @@
 }
 
 // Zentrale Projektversion für korapxmltool
-version = '2.0-beta-02'
+version = '2.01'