Universal: upgrade to beta 15

[jeffwhelpley]

Note: for support questions, please use one of these channels: https://github.com/angular/universal/blob/master/CONTRIBUTING.md#question. This repository's issues are reserved for feature requests and bug reports.

• I'm submitting a ...
• [ ] bug report
• [x] feature request
• [ ] support request => Please do not submit support request here, see note at the top of this template.
• What modules are related to this pull-request
• [ ] express-engine
• [ ] grunt-prerender
• [ ] gulp-prerender
• [ ] hapi-engine
• [ ] preboot
• [ ] universal-preview
• [X] universal
• [ ] webpack-prerender
• Do you want to request a _feature_ or report a _bug_?
• What is the current behavior?
• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem by creating a github repo.
• What is the expected behavior?
• What is the motivation / use case for changing the behavior?
• Please tell us about your environment:
• Angular version: 2.0.0-beta.X
• Browser: [all | Chrome XX | Firefox XX | IE XX | Safari XX ]
• Language: [all | TypeScript X.X | ES6/7 | ES5 ]
• OS: [all | Mac OS X | Windows | Linux ]
• Platform: [all | NodeJs | Java | PHP | .Net | Ruby]
• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. stackoverflow, gitter, etc)

[jeffbcross]

@jeffwhelpley offline template support didn't actually land in beta.15, there was a mis-fire on Twitter.

[jeffwhelpley]

word

[PatrickJS]

angular2-universal works with beta.15

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