Upgrade to us Jackson 2.3.3

Upgrading the Jackson libraries to 2.3.3. This is in reference to an issue seen during an upgrade to 0.7.0: https://github.com/FasterXML/jackson-module-afterburner/issues/28.

One of the tests was failing due to the error message being different due to the change in Jackson 2.3.3. Should the tests be relying on a specific error message? Isn't it good enough to know that a ConfigurationParsingException was thrown?