Release v0.6
Start development cycle for 0.7.0-dev
fix success callback arguments on backbone 1.0.0
Run tests with multiple versions of Backbone

Since we are introducing some code which sniffs the backbone version we
need to run the tests against different versions of backbone.

This also introduces tests which are specific for one version.
Merge branch 'backbone-v1.0.0' of https://github.com/jtuulos/backbone.paginator into jtuulos-backbone-v1.0.0
Simplify test assertion
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
Update changelog