Upgrade to Freemarker 2.3.20
Upgraded to Guava 16.0.
Upgraded to Jackson 2.3.1.
Upgraded to JSR305 Annotations for Findbugs 2.0.3.
Upgraded to argparse4j 0.4.3.
Upgraded to liquibase-slf4j 1.2.1.
Upgraded to Hibernate 4.3.0.Final.
Upgraded to Mustache.java 0.8.14.

This introduces a backward incompatible change regarding the resolving
of partial templates.

See https://github.com/spullara/mustache.java/commit/05261793042ff8e03c5973ce103af84cf13a5402 for detailw