Update molecule configuration to work with 3.0.

.travis.yml

@@ -30,7 +30,7 @@ env:
 
 install:
   # Install test dependencies.
-  - pip install molecule docker
+  - pip install molecule yamllint ansible-lint docker
 
 before_script:
   # Use actual Ansible Galaxy role name for the project directory.

molecule/default/molecule.yml

@@ -4,9 +4,8 @@ dependency:
 driver:
   name: docker
 lint:
-  name: yamllint
-  options:
-    config-file: molecule/default/yaml-lint.yml
+  yamllint .
+  ansible-lint
 platforms:
   - name: instance
     image: "geerlingguy/docker-${MOLECULE_DISTRO:-centos7}-ansible:latest"
@@ -17,13 +16,7 @@ platforms:
     pre_build_image: true
 provisioner:
   name: ansible
-  lint:
-    name: ansible-lint
   playbooks:
-    converge: ${MOLECULE_PLAYBOOK:-playbook.yml}
+    converge: ${MOLECULE_PLAYBOOK:-converge.yml}
 scenario:
   name: default
-verifier:
-  name: testinfra
-  lint:
-    name: flake8