Use new image for kitchen tests

Change-Id: Idff1b844ce6470e58aa427d13e5588b72a291899
diff --git a/.travis.yml b/.travis.yml
index 2d793e6..9071f65 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,18 +17,24 @@
   - bundle install
 
 env:
-    - PLATFORM=trevorj/salty-whales:trusty SUITE=horizon-no-ssl
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=horizon-no-ssl
-    - PLATFORM=trevorj/salty-whales:trusty SUITE=horizon-with-ssl
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=horizon-with-ssl
-    - PLATFORM=trevorj/salty-whales:trusty SUITE=proxy
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=proxy
-    - PLATFORM=trevorj/salty-whales:trusty SUITE=redirect
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=redirect
-    - PLATFORM=trevorj/salty-whales:trusty SUITE=static
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=static
-    - PLATFORM=trevorj/salty-whales:trusty SUITE=stats
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=stats
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=horizon-no-ssl
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=horizon-with-ssl
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=proxy
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=redirect
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=static
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=stats
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=horizon-no-ssl
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=horizon-with-ssl
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=proxy
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=redirect
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=static
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=stats
+    # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=horizon-no-ssl
+    # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=horizon-with-ssl
+    # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=proxy
+    # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=redirect
+    # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=static
+    # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=stats
 
 before_script:
   - set -o pipefail