Misko Hevery 2d6a003dba feat: update RxJS peer dependency to 5.0.0-rc.4
Closes #13125

RxJS from beta-12 to rc.4, has removed the `cache`
operator. (See https://github.com/ReactiveX/rxjs/blob/master/CHANGELOG.md#breaking-changes-1)
If your application relies on it, then we suggest 
that you use the one from this gist:
https://gist.github.com/robwormald/19dea0c70a6e01aadced6731aed4f9f7
2016-11-29 16:27:33 -08:00
..