Merge branch 'release/2.2.2' into develop
Fixed release list.
Bumped version 2.2.3
Locked down JS dependency versions a little.
Committing minifed payloads.
Updated compiled assets.
Merge branch 'hotfix/2.2.3'
Merge branch 'hotfix/2.2.3' into develop
Don't include ckeditor build and info files in our distribution package.

Fixes #303
Standardizes docblocks and indentation in the grunt tasks.
Added a release script.

This is untested. Consider it a work-in-progress. Particuarly, error handling
is going to problematic.
Another update to the release checklist.
Updates to the list of files to in- or ex-clude in the package.

* Don't include `compose.phar`;
* Don't include the `RELEASE-LIST.md`;
* Do include documentation.

Fixes #304
Work around npm- and bower-version forcing git commit.
Merge branch 'feature/package-docs' into develop
Committing minifed payloads.
Marionette shouldn't throw an error for missing layers.

It should also return `null` not `undefined`, according to the docs.
Get rid of tags that npm and bower leave behind.
Updated the changelog.
Updated compiled assets.