Js.mocha

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* add `setImmediate` support for 0.10.x
* fix mocha -w spinner on windows

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* fix .bail() arity check causing it to default to true

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* add Mocha() options bail support
* add `Mochabail()` method
* add instanceof check back for inheriting from Error
* add component.json
* add diff.js to browser build
* update growl
* fix TAP reporter failures comment :D

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* add total number of passes and failures to TAP
* remove .bind() calls. re 680
* fix indexOf. Closes 680

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* fix uncaught error support for the browser
* revert uncaught "fix" which breaks node

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* fix uncaught errors to expose the original error message