If you are not using XQuery, XPath, nor SQL/XML, there is no need to include saxonhe, xom, nux, and jaxen jars in the class path. All other files need 
to be included in your applications's classpath. 

Depending upon which sources you use with the Teiid embedded, you also need 
to add sets of jar files from the optional directory, which are grouped by source.

netty is required to enable a JDBC/ODBC socket transport and by cassandra.