Upgrade to Liquibase 3.3.0
Upgrade to Mockito 1.10.8
Upgrade to Jetty 9.2.4.v20141103
Upgrade to Hibernate Validator 5.1.3.Final
Upgrade to tomcat-jdbc 8.0.15
Upgrade to H2 1.4.182
Upgrade to Hibernate 4.3.7.Final
Update contributors.rst