Added Ubuntu 16.04 docker file. Commented out other files from the travis.yml
diff --git a/.travis.yml b/.travis.yml
index cc43bc0..a3eb5d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,12 +3,9 @@
 language: ruby
 
 env:
-  #- DOCKERFILE=dockerfiles/Ubuntu15_pybombs.docker IMGNAME=ubu15_pybombs-grgsm
-  - DOCKERFILE=dockerfiles/DebianJessie.docker IMGNAME=debjess-grgsm
-  # - DOCKERFILE=dockerfiles/Ubuntu14.docker IMGNAME=ubu14-grgsm
-  - DOCKERFILE=dockerfiles/Ubuntu15.docker IMGNAME=ubu15-grgsm
-  # - DOCKERFILE=dockerfiles/Kali.docker IMGNAME=kali-grgsm
-  - DOCKERFILE=dockerfiles/Ubuntu16.docker IMGNAME=ubu16-grgsm
+  #- DOCKERFILE=tests/dockerfiles/DebianJessie.docker IMGNAME=debjess-grgsm
+  #- DOCKERFILE=tests/dockerfiles/Ubuntu_15_04.docker IMGNAME=ubu15.04-grgsm
+  - DOCKERFILE=tests/dockerfiles/Ubuntu_16_04.docker IMGNAME=ubu16.04-grgsm
 
 services:
   - docker