- Updated the following plugin versions:
  maven-failsafe-plugin, maven-surefire-plugin and
  maven-surefire-report-plugin to 2.16
  cobertura-maven-plugin to 2.6
- Updated dependencies
  testng to 6.8.7, log4j 2.0-beta8, guava to 15.0,
  jcommander to 1.32
- Added dependency
  mockito-core 1.9.5