Update dependencies + sync .travis.yml with content in current linux formula
diff --git "a/\173\173cookiecutter.project_name\175\175/.travis.yml" "b/\173\173cookiecutter.project_name\175\175/.travis.yml"
index 15fd7bc..bd09d8d 100644
--- "a/\173\173cookiecutter.project_name\175\175/.travis.yml"
+++ "b/\173\173cookiecutter.project_name\175\175/.travis.yml"
@@ -2,6 +2,11 @@
 services:
   - docker
 
+addons:
+  apt:
+    packages:
+    - apt-transport-https
+
 install:
   - git fetch --unshallow --tags
   - pip install PyYAML
@@ -15,12 +20,12 @@
     gem 'kitchen-docker'
     gem 'kitchen-inspec'
     gem 'inspec'
-    gem 'kitchen-salt', :git => 'https://github.com/salt-formulas/kitchen-salt.git'
+    gem 'kitchen-salt'   #, :git => 'https://github.com/salt-formulas/kitchen-salt.git'
   - bundle install
 
 env:
-    - PLATFORM=trevorj/salty-whales:trusty
     - PLATFORM=trevorj/salty-whales:xenial
+    - PLATFORM=trevorj/salty-whales:bionic
 
 before_script:
   - set -o pipefail
@@ -28,15 +33,16 @@
   - reno lint $PWD | tail
 
 script:
-  - test ! -e .kitchen.yml || bundle exec kitchen test -t tests/integration
+  - test ! -e .kitchen.yml || bundle exec kitchen converge ${SUITE} || true
+  - test ! -e .kitchen.yml || bundle exec kitchen verify ${SUITE} -t tests/integration
 
 notifications:
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/6123573504759330786b
-    on_success: change  # options: [always|never|change] default: always
+    on_success: change # options: [always|never|change] default: always
     on_failure: never  # options: [always|never|change] default: always
-    on_start: never     # options: [always|never|change] default: always
-    on_cancel: never    # options: [always|never|change] default: always
+    on_start: never    # options: [always|never|change] default: always
+    on_cancel: never   # options: [always|never|change] default: always
     on_error: never    # options: [always|never|change] default: always
   email: false