Updates karma.conf.coffee to latest karma version.
Enables single run only.
Better solution…
Switches to bower.
Adds my angular tests helper.
Changes angular-tree controller.
Splits source into multiple files.
Adds README.md and MIT license.
Adds simulate helper function.
Fixes two invalid calls of toBeUndefined.
Adds mousePosition service.
Updates installation guide.
Removes js-yaml again.
Allows draggable directive to be nestable.
Changes to standarized folder structure.
Updates installation instructions.
Fixes some paths.
Adds package.json.
Adds prepublish script.
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