Goodbye jQuery, Goodbye Bower.

This is the first pre-release version of v0.4.x, which removes jQuery and Bower dependencies. It also updates many packages, tests, configs and documents.

Changelog

• Upgraded jquery.inputmask 3.2.7 to Inputmask 3.3.4 and removed jQuery dependency.
• Replaced all Bower packages (including Inputmask) with NPM ones.
• Fixed all broken tests (with help from ember-native-dom-helpers).
• Bumped Node version to 6.
• Bumped Ember and Ember CLI to 2.12.
• Bumped some other dependencies.
• Replaced JSHint with ESLint.
• Updated Travis CI and ember-try configs.
• Added Yarn support.