WIP of migration to Grunt 0.4
Force version 1.8.1 of phantomjs as workaround for failed install
Install grunt-cli before the dependencies
Improve mocha setup, still one test failure
Make banners work in grunt 0.4.0
Reenable 0.9.2 tests
Restore spies in client pager tests
Add grunt-cli to dependencies
Adjust lint task
Update mocha, chai and sinon
Reduce test failures
Make assertion more meaningful, don't test implementation
Make last failing tests pass
Merge branch 'grunt-4.0'