Update dev dependencies

[chadxz]

This patch updates all outdated development dependencies, but does not upgrade the two outdated production dependencies.

• swagger-client, which is currently pinned at 2.1.17 due to a breaking change that is difficult to address (see #47 for details).
• bluebird, which currently has a major version upgrade available that includes breaking changes. See http://bluebirdjs.com/docs/new-in-bluebird-3.html for details. These are workable changes for node-ari-client, but we expose bluebird Promises on our public API, so updating this would require a major version bump.

For changes in the development dependencies, see the following changelog entries:

• grunt: http://gruntjs.com/blog/2016-04-04-grunt-1.0.0-released
• async: https://github.com/caolan/async/blob/master/CHANGELOG.md
• mocha: https://github.com/mochajs/mocha/blob/master/CHANGELOG.md
• mustache: https://github.com/janl/mustache.js/blob/master/CHANGELOG.md
• portfinder: https://github.com/indexzero/node-portfinder/pull/20

No details regarding the major version bump of hock could be found, but it had a substantial change to its public api. Namely, it does not handle any of the actual http server stuff for you anymore. Changes are included in this PR to adapt the tests to this new api.

There are still some npm install warnings even after updating these dependencies:

• jshint is throwing a warning about minimatch needing an upgrade. The fix for this is already in the jshint master branch, but no npm version has been cut for it yet. For additional details, see https://github.com/jshint/jshint/issues/2952
• jsdoc is throwing warnings about minimatch needing an upgrade, wrench being completely deprecated in favor of another library, and the marked package not being meant to be installed as a dep. Upon investigation, it seems that the jsdoc package has actually been abandoned, so we need to start thinking about migrating away from it. Ticket #55 has been opened to investigate this.
• grunt has a warning about coffee-script not being meant to be installed as a dep. This isn't really worth looking into, as we are gradually moving away from grunt anyway.

[chadxz]

this is gonna need some additional work. tests are failing... will have to follow up later, as i'm out of time for today. I think the problem is related to either hock or portfinder.

[chadxz]

got this fixed and ready to merge.

[chadxz]

ping, can someone take a look

[danjenkins]

👍