Added Ansible version 1.8 to test matrix

.travis.yml

@@ -7,6 +7,7 @@ env:
   - ANSIBLE_VERSION=1.5
   - ANSIBLE_VERSION=1.6
   - ANSIBLE_VERSION=1.7
+  - ANSIBLE_VERSION=1.8
 
 before_install:
   - sudo apt-get update -qq
@@ -19,14 +20,14 @@ install:
   - pip install ansible==$ANSIBLE_VERSION
 
   # Add ansible.cfg to pick up roles path.
-  - "printf '[defaults]\nroles_path = ../' > ansible.cfg"
+  - printf "[defaults]\nroles_path = ../" > ansible.cfg
 
 script:
   # Check the role/playbook's syntax.
-  - "ansible-playbook -i tests/inventory tests/test.yml --syntax-check"
+  - ansible-playbook -i tests/inventory tests/test.yml --syntax-check
 
   # Run the role/playbook with ansible-playbook.
-  - "ansible-playbook -i tests/inventory tests/test.yml --connection=local --sudo -vvvv"
+  - ansible-playbook -i tests/inventory tests/test.yml --connection=local --sudo -vvvv
 
   # Run the role/playbook again, checking to make sure it's idempotent.
   - >