Add basic support for instruments
Add basic dashboard support
Merge remote-tracking branch 'sargun/master'
fix python code style to conform to PEP8 ( http://www.python.org/dev/peps/pep-0008/ ). mostly whitespace cleanup. no functional changes
fix nosetests missing one test.
remove some unused imports.
make travis run all the tests
rework the way dashboards get instantiated. make the instrument queries happen lazily when requested, rather than during dashboard instantiation
Merge pull request #34 from craigds/master

Basic instrument and dashboard support