Upgrade to Jetty 9.0.3.
Upgrade to Jackson 2.2.1.
Upgrade to Ehcache 2.6.6.
Upgrade to Logback 1.0.13.
Upgrade to HttpClient 4.2.5.
Upgraded to gmetric4j 1.0.3.
Upgrade Maven plugins:

* maven-compiler 3.1
* maven-surefire 2.14.1
* maven-site 3.3