Update to new RequireJS errbacks about aura HOT 9 CLOSED

@addyosmani That's a good point about the end-user specifying the fallbacks.

The problem with the current approach is that the error doesn't get triggered in IE 6-8. See IE load issues.

An unknown for me is whether errbacks work with almond.

I recently added errbacks to a project at work. The big caveat is that you can't use "require" in the bootstrap. It has to be a define. Honestly I'm really not confident about either solution, but I think it's a problem that definitely needs to be resolved.

Do you have any insight?

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@jrburke do you happen to know if the RequireJS errbacks work with Almond? :)

@dustinboston If the current approach has cross-browser issues we should definitely opt for the prescribed way of doing errbacks. It shouldn't be too hard a switch.

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@addyosmani It's pretty straightforward. I'll be working on Aura tonight so I'll get the errbacks in first.

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@addyosmani almond does not support errbacks, in that it does not call them (it is assumed that all modules are available, it cannot dynamically load from the network). But if you pass almond some errbacks it should not blow up, it just will not call them.

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@jrburke Thanks for letting us know. I appreciate the confirmation about almond's errback support. It's useful to know that if we do choose to use Almond, nothing should go haywire if we use errbacks :)

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@jrburke Thank you

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@addyosmani errbacks are done. @joelhooks heads up, the widget path is throwing an error in the tests. I started a method to help the tests get the correct path, but architecturally I don't think it will work. (getWidgetsPath). Marking this as closed unless there's anything else that needs to be done.

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Just a heads up, I discovered a bug with almond and the use of errbacks, but fixed it, so be sure to grab almond 0.1.3 or later if you want code with errbacks to not err out with almond.

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Thanks for the heads up, James!

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