Update .travis.yml

Author: killswitch-GUI

.travis.yml

@@ -4,10 +4,11 @@ sudo: required
 python:
   - "2.7"
 install:
+  - pip install nose
   - pip install coveralls
 script:
   - "cd lterm"
   - "sudo python lterm.py -h"
-  - sudo nosetests
+  - sudo nosetests --with-coverage
 after_success:
   - coveralls