adding some nose tests
ignoring .coverage files
Merge pull request #8 from geoadmin/basic_sqlalchemy

adding some nose tests
adding travis configuration file
running git submodules and boostrapping as part of before_script hook
provoke a push to test integration
adding travis status to readme file
Merge pull request #9 from geoadmin/travis_ci_integration

Travis ci integration
Needs to be on master for it to work the first time. That's why I pull it in.
make sure node and npm is installed