Add kitchen/travis tests

.kitchen.yml

 ---
 driver:
-  name: vagrant
+  name: docker
+  use_sudo: false
+  privileged: true
+  require_chef_omnibus: false
 
 platforms:
-  - name: debian-jessie64
-    driver_config:
-      box: ssplatt/salt-deb-8
   - name: centos-7
-    driver_config:
-      box: rchrd/centos-7-x64-salt
-  - name: centos-6
-    driver_config:
-      box: rchrd/centos-6-x64-salt
+  - name: ubuntu-16.04
+  - name: debian-9
 
 provisioner:
   name: salt_solo
-  salt_version: 2015.8.8
+  formula: apache
+  require_chef: false
   data_path: test/shared
-  is_file_root: true
   pillars:
     top.sls:
       base:
           - apache
     apache.sls:
       apache:
+        manage_service_states: False
         mod_security:
           crs_install: True
           manage_config: True
           sec_debug_log_level: '3'
 
 suites:
-  - name: apache
+  - name: default
     provisioner:
       state_top:
         base:
           '*':
             - apache
-  - name: mod_security
+            - apache.mod_security
+  - name: apache_norestart
     provisioner:
       state_top:
         base:
           '*':
             - apache
-            - apache.mod_security
+      pillars:
+        apache.sls:
+          apache:
+            manage_service_states: False

.travis.yml

+sudo: required
+language: python
+services: 
+  - docker
+
+before_install:
+  - bundle install
+
+env:
+  matrix:
+    - INSTANCE: default-centos-7
+    - INSTANCE: default-ubuntu-1604
+    - INSTANCE: default-debian-9
+
+script:
+  - bundle exec kitchen verify ${INSTANCE}

Gemfile

+source "https://rubygems.org"
+
+gem "test-kitchen", '>=1.2.1'
+gem "kitchen-docker"
+gem "kitchen-salt", ">=0.0.11"
+gem "kitchen-inspec"