add coverall to the travis ci builds

Author: itziakos

.coveragerc

@@ -0,0 +1,21 @@
+[run]
+branch = True
+source = enable, kiva
+omit = */tests/*
+
+[report]
+# Regexes for lines to exclude from consideration
+exclude_lines =
+    # Have to re-enable the standard pragma
+    pragma: no cover
+
+    # Don't complain about missing debug-only code:
+    def __repr__
+
+    # Don't complain if tests don't hit defensive assertion code:
+    raise AssertionError
+    raise NotImplementedError
+
+    if __name__ == .__main__.:
+
+ignore_errors = True

.travis.yml

@@ -20,12 +20,12 @@ install:
   # Test against the current master of traits and traitsui
   - pip install git+http://github.com/enthought/traits.git#egg=traits
   - pip install git+http://github.com/enthought/traitsui.git#egg=traitsui
+  - pip install coverage
+  - pip install coveralls
   - python setup.py develop
 script:
-  - nosetests -v enable/tests
-  - nosetests -v enable/savage/svg/tests
-  - nosetests -v kiva/agg/tests
-  - nosetests -v kiva/tests
-notifications:
+  - coverage run -m nose.core -v
   email:
     - travis-ci@enthought.com
+after_success:
+  coveralls