Plugin updates:
  - maven-failsafe-plugin to 2.15
  - maven-war-plugin to 2.4
  - maven-javadoc-plugin to 2.9.1
  - maven-pmd-plugin to 3.0.1
  - maven-project-info-reports-plugin to 2.7
  - maven-site-plugin to 3.3
  - appassembler-maven-plugin to 1.4
  - maven-dependency-plugin to 2.8
  - maven-changes-plugin to 2.9
  - maven-shade-plugin to 2.1
  - cobertura-maven-plugin to 2.6
  - versions-maven-plugin to 2.1
  - antlr3-maven-plugin to 3.5

Dependency updates:
- testng to 6.8.3

- Added github profile to deploy site on github.