Indent .travis.yml correctly

Wrong .travis.yml indentation was preventing this project from being
built.

.travis.yml

@@ -1,17 +1,20 @@
 ---
 language: python
 python: "2.7"
+
 before_install:
   - sudo apt-get update -qq
-  install:
-    # Install Ansible.
-      - pip install ansible==1.7.2
+
+install:
+  # Install Ansible.
+  - pip install ansible==1.7.2
 
   # Create an inventory file for testing.
-    - "echo 'uchiwa-standalone ansible_ssh_host=localhost' > inventory"
-    script:
-      # Check the role/playbook's syntax.
-        - "ansible-playbook -i inventory vagrant/site.yml --syntax-check"
+  - "echo 'uchiwa-standalone ansible_ssh_host=localhost' > inventory"
+
+script:
+  # Check the role/playbook's syntax.
+  - "ansible-playbook -i inventory vagrant/site.yml --syntax-check"
 
   # Run the playbook
-    - "ansible-playbook -vvvv -i inventory vagrant/site.yml --connection=local --sudo"
+  - "ansible-playbook -vvvv -i inventory vagrant/site.yml --connection=local --sudo"