camel-jdbc - Add option to select between JDBC 4 or 3 column label / name semantics

JDBC drivers is often a pain when it comes to compliance.

If you use SQL SELECT with aliases then you may have issues with camel-jdbc as it retrieves the column name use ResultSetMetaData which behaves different according to the JDBC spec.

See more at:
http://fusesource.com/forums/thread.jspa?messageID=5623&#5623

Introduce a new option useJDBC4ColumnNameAndLabelSemantics where you can configure which option to use. Will by default use JDBC 4