Move to Mirantis owned docker images for tests
  - This is a temporary solution until we have our own images

Fixes: PROD-24956 (PROD:24956)

Change-Id: I0124b41d1dbfce5fc3f8bf39e8b8e7188b9c66af
diff --git a/.travis.yml b/.travis.yml
index 744abcf..ea452da 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,13 +15,11 @@
   - bundle install
 
 env:
-    - PLATFORM=epcim/salt:saltstack-ubuntu-trusty-salt-2017.7 SUITE=apache-server-php5
-    - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 SUITE=apache-server-php7
-    - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 SUITE=apache-server-php7-ssl
-    - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=apache-server-php7
-    - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=apache-server-php7-ssl
-#    - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 SUITE=apache-server-php7
-#    - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2018.3 SUITE=apache-server-php7
+    - PLATFORM=docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-trusty-salt-2017.7/salt:2018_11_19 SUITE=apache-server-php5
+    - PLATFORM=docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-2017.7/salt:2018_11_19 SUITE=apache-server-php7
+    - PLATFORM=docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-2017.7/salt:2018_11_19 SUITE=apache-server-php7-ssl
+    - PLATFORM=docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-stable/salt:2018_11_19 SUITE=apache-server-php7
+    - PLATFORM=docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-stable/salt:2018_11_19 SUITE=apache-server-php7-ssl
 
 before_script:
   - set -o pipefail