Upgrade handbrake-js to use the latest version of HandbrakeCLI

[75lb]

We should upgrade handbrake-js to use the latest HandbrakeCLI.

Since we're upgrading from HandbrakeCLI v1.3 to v1.5 there will be a high risk of breaking changes, so this update will be released in a new major version of handbrake-js.

To implement:

• [ ] Update this version number to the latest available.
• [ ] Check you have deleted your local ./bin/HandbrakeCLI.
• [ ] Run ./script/install.js to download and install the latest HandbrakeCLI
• [ ] Run npm test and do some test encodes locally.
• [ ] Submit PR

[ryuuskylark]

I've been using the v1.5.1 for a couple of encodes lately, nothing out of the ordinary, basic functionality of the spawn, run and exec all see to work as expected thus far...

Mostly used to convert using a preset import file, I did have issues with the HandbrakeCLIPath, I have made a pull request #74 to address the issue I had, feel free to review it, and\or deny it.

Just some 2 cent commentary.