First test approach using Spock + FEST

Closes #22
Simplify tests after trying things out
Merge branch 'master' into issue24

* master:
  Add Travis config file.
Merge branch 'master' into issue24

* master:
  Remove Java6 versions as it's not used.
Merge branch 'master' into issue24

* master:
  Use gmaven for compiling
Move test to meet new builder criteria (Gmaven)
Merge branch 'master' into issue24

* master:
  Update travis config to use X11
Merge branch 'master' into issue24

* master:
  Remove build for openjdk
  Add data to pom for Sonar
  Will no longer use coverity scan
  Change branch for testing purposes.
  Add CoverityScan hook to the travis config file
Change readme

Closes #24
Merge pull request #26 from varomorf/issue24

Issue24