INTEXT-27 + INTEXT-46 Upgrade to Gradle 1.4

* INTEXT-46 - Make Build JDK7 Ready + Cleanup
Merge pull request #27 from ghillert/INTEXT-27-2

* ghillert-INTEXT-27-2:
  INTEXT-27 + INTEXT-46 Upgrade to Gradle 1.4