no issue
* split key commands and text expansions into separate files for easier file searches
* basic formatting, added a few comments
* move editor title input into addon
- the editor and title are now tightly integrated so that it's possible to use up/down cursor navigation so it makes more sense to keep them together
- start of a deeper component restructure so that we don't need to leak properties/actions to parent components
* first pass at refactor of gh-koenig and koenig-title-input
- remove need for editor reference to be held outside of the `gh-koenig` component by yielding it from the component so that the integrated title element can sit inside the container's scope
- refactor `gh-koenig` to more closely match the default ember mobiledoc addon
- fixes runloop issues by starting/ending a manual runloop
- refactored the mutation observer and event handlers in `koenig-title-input` so that we're not doing unecessary work on every render/key press
- rename CSS classes to be more specific (these may still need more separation between `.gh` and `.kg` later)
- `.editor-holder` to `.gh-koenig-container`
- `.surface` to `.gh-koenig-surface`
* fix tests and start testing refactor
* move gh-koenig integration tests into addon, remove empty test files
* first-pass at component template cleanup
* first pass at koenig-toolbar-button refactor
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