MergeDelayError missing Iterable overload

[juxeii]

I'm missing an overload for the mergeDelayError method which takes an Iterable of Observables as parameter.
The "normal" merge method has
http://reactivex.io/RxJava/javadoc/rx/Observable.html#merge%28java.lang.Iterable,%20int%29

Is there a special reason why this overload is missing?
Thx,
Juergen

[akarnokd]

No particular reason. Would you like to submit a PR?

[juxeii]

Yes please :-)
Edit: Ups, i read "FR" instead of "PR". Could somone implement this overload?

[akarnokd]

Closing via #3627.