Fixing travis runner

.travis.yml

@@ -2,9 +2,9 @@ language: python
 python:
   - "2.7"
 install:
-  - pip install -r requirements.txt --use-mirrors
+  - "pip install -r requirements.txt --use-mirrors"
   - pip install coveralls
 script:
-  - coverage run --source=misago testrunner.py test
+  - "coverage run --source=misago testrunner.py test"
  after_success:
   - coveralls