Upgrade to use junit 4.11
Upgrade javamail.
Upgrade to groovy 2.2.2.
Upgrade to mockito 1.9.5.
Upgrade to mockito guava 16.0.1.
Upgrade to commons-fileupload to 1.3.1.
Upgrade to commons-io to 2.4.
Upgrade to servlet-api to 3.0-alpha-1.
Upgrade to opencsv to 2.3.
Upgrade to version 2.6.0 of the Google Web Toolkit (gwt).
Upgrade to version 1.9.3 of ant.
Remove dependncy on aopalliance because we're not using Guice 1.0 anymore.
Merge pull request #24 from DavidWhitlock/update-maven-dependencies

Address issues #18 by upgrading to the latest version of the Maven dependencies.