Update dependencies

* 2014-07-22 - (standard) Upgrade jackson dependency to 2.4.2 (from 2.4.1),
                          remove special cases for jackson core, databind, dataformat-smile
* 2014-07-22 - (standard) Upgrade joda-time dependency to 2.4 (from 2.3)
* 2014-07-22 - (standard) Upgrade guava dependency to 18.0 (from 17.0)
* 2014-07-22 - (standard) Upgrade jetty dependency to 9.2.3.v20140905 (from 9.2.1.v20140609)
* 2014-07-22 - (foundation) Upgrade scala dependency to 2.11.2 (from 2.11.1)