Update dependencies and fixed a defect

- updated dependencies
    - debug-0.8.1 => 1.0.2
    - dustjs-linkedin-2.3.5 => 2.4.0
    - grunt-0.4.4 => 0.4.5
    - grunt-complexity-0.1.6 => 0.2.0
    - grunt-mocha-test-0.10.2 => 0.11.0

- fixed a defect that was causing logging to not work at all