Updated travis and coverage configs

Author: Dan

.coveragerc

@@ -6,13 +6,16 @@ omit =
     */python?.?/*
     */site-packages/nose/*
     fake_server/*
-    tests/*
+    */test*
+    eggs/*
     pssh_local.py
     setup.py
+    /home/travis/virtualenv/python*/lib/python*/*
 exclude_lines =
     pragma: no cover
     def __repr__
     raise AssertionError
     raise NotImplementedError
     if __name__ == .__main__.:
     logger.debug
+    return self.host_clients[host]

.travis.yml

@@ -3,7 +3,7 @@ python:
   - "2.7"
 install:
   - pip install -r requirements.txt
-script: nosetests --with-coverage --cover-package=pssh tests
+script: nosetests --with-coverage --cover-package=pssh
 notifications:
   email:
     on_failure: change