* Add an export for Option so we can use it directly
* Update tests to import the newly exported Option
* Add missing props from latest `react-select` 1.0.0-beta12
* Add menuRenderer function and interface for its named props
* This argument should be optional.
* `tabSelectsValue` should be a boolean, not a string
* Update tests with new props
* Export menu renderer props so devs can write typesafe `menuRenderer` functions
* Make sure to check exports in tests, since it's likely users won't be using <reference... >
- use `export = var` syntax so it works as a global library
- put interfaces in ghost module so they don't pollute global namespace
- add JSDoc comments for each prop
- move old version to -0.9.10
