Add coveralls support

.gitignore

@@ -14,3 +14,4 @@ dist
 .nfs*
 .gdb_history
 build
+.coverage

.travis.yml

@@ -8,11 +8,14 @@ before_install:
   - sudo add-apt-repository -y ppa:biometrics/bob
   - sudo apt-get update -qq
   - sudo apt-get install -qq libboost-all-dev libblitz1-dev
+  - pip install coveralls
 install:
   - "python bootstrap.py"
   - "./bin/buildout"
 script:
   - "./bin/python -c 'from xbob.extension import get_config; print(get_config())'"
-  - "./bin/nosetests -sv"
+  - "./bin/coverage run --source=xbob.extension ./bin/nosetests -sv"
   - "./bin/sphinx-build -b doctest doc sphinx"
   - "./bin/sphinx-build -b html doc sphinx"
+after_success:
+  - "coveralls"