Throw exception when ember-table dependencies are missing

resolves #138
Dist update
Merge pull request #143 from petrvolny/err-msg

Throw exception when ember-table dependencies are missing
Set up versioning with bower and release-it

* Set version to 0.1.0
* Add versions to proper files; add CHANGELOG.md to manage versions
* Remove many dependencies
* Manage dependencies with bower and grunt-bower-task
* Automate releases with release-it
Merge pull request #157 from azirbel/bower-and-versioning

Bower and versioning
Release 0.2.0
Update README.md and CONTRIBUTING.md