Fix broken API Documentation Generation

[ERROR] java.lang.IllegalStateException: Failed to find an insertion point.
[ERROR] at org.jboss.apiviz.APIviz.instrumentDiagram(APIviz.java:334)
[ERROR] at org.jboss.apiviz.APIviz.generateOverviewSummary(APIviz.java:202)
[ERROR] at org.jboss.apiviz.APIviz.start(APIviz.java:80)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:601)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:280)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:160)
[ERROR] at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:397)
[ERROR] at com.sun.tools.javadoc.Start.begin(Start.java:167)
[ERROR] at com.sun.tools.javadoc.Main.execute(Main.java:59)
[ERROR] at com.sun.tools.javadoc.Main.main(Main.java:49)