Update changes and readme

CHANGES.md

@@ -2,6 +2,55 @@
 
 Version 1.x can be found at https://github.com/ReactiveX/RxJava/blob/1.x/CHANGES.md
 
+### Version 2.0.0-RC5 - October 21, 2016 ([Maven](http://search.maven.org/#artifactdetails%7Cio.reactivex.rxjava2%7Crxjava%7C2.0.0-RC5%7C))
+
+This release contains API fixes, further cleanups to code and javadoc, better test coverage and bugfixes. Thanks to the respective contributors and @JakeWharton for the reviews.
+
+**API enhancements**
+
+  - [Pull 4685](https://github.com/ReactiveX/RxJava/pull/4685): Test static from methods and add `Maybe.fromSingle` & `fromCompletable`
+  - [Pull 4687](https://github.com/ReactiveX/RxJava/pull/4687): Add `Observable.rangeLong` & `Flowable.rangeLong`.
+  - [Pull 4690](https://github.com/ReactiveX/RxJava/pull/4690): `BaseTestConsumer` add `assertValueAt(index, Predicate<T>)`.
+  - [Pull 4711](https://github.com/ReactiveX/RxJava/pull/4711): Decouple stream operators from Function interface (`FlowableOperator` and co).
+  - [Pull 4712](https://github.com/ReactiveX/RxJava/pull/4712): make `Observable.sequenceEqual` return Single<Boolean>
+  - [Pull 4714](https://github.com/ReactiveX/RxJava/pull/4714): have `Flowable.toList(Callable)` return Single
+  - [Pull 4720](https://github.com/ReactiveX/RxJava/pull/4720): remove variance from the input source of `retryWhen`
+  - [Pull 4723](https://github.com/ReactiveX/RxJava/pull/4723): remove `flatMapIterable(Function, int)` overload and have `flatMapIterable(Function)` use the flatten operator.
+  - [Pull 4729](https://github.com/ReactiveX/RxJava/pull/4729): Merge `FlowableEmitter.BackpressureMode` into `BackpressureStrategy`
+  - [Pull 4710](https://github.com/ReactiveX/RxJava/pull/4710): Remove checked exceptions from transformer interfaces.
+
+**Performance enhancements**
+
+  - [Pull 4723](https://github.com/ReactiveX/RxJava/pull/4723): enable fusion on `Observable.observeOn`
+
+**Bugfixes**
+
+  - [Pull 4681](https://github.com/ReactiveX/RxJava/pull/4681): Fix `Flowable` + `Single` `elementAt` and `elementAtOrError` operators on empty sources.
+  - [Pull 4686](https://github.com/ReactiveX/RxJava/pull/4686): Fix `flatMapX` over-cancellation in case of an inner error.
+  - [Pull 4689](https://github.com/ReactiveX/RxJava/pull/4689): Fix `doOnEvent` NPE on `dispose()`
+  - [Pull 4695](https://github.com/ReactiveX/RxJava/pull/4695): `CompositeException` fix order of exceptions
+  - [Pull 4696](https://github.com/ReactiveX/RxJava/pull/4696): Fix inner `Throwable` order for `CompletablePeek`
+  - [Pull 4705](https://github.com/ReactiveX/RxJava/pull/4705): fix `Observable.flatMap`'s dispose behavior and error accumulation
+  - [Pull 4707](https://github.com/ReactiveX/RxJava/pull/4707): Fix `Flowable.elementAt` on empty sources. 
+  - [Pull 4708](https://github.com/ReactiveX/RxJava/pull/4708): fix `Observable.publish(Function)` latecommer behavior
+  - [Pull 4712](https://github.com/ReactiveX/RxJava/pull/4712): fix `Observable.combineLatest` error management, fix `Observable.flatMap` `maxConcurrency` behavior with scalars, use of unbounded queue, fix `Observable.timeInterval` not saving the `Disposable`
+  - [Pull 4723](https://github.com/ReactiveX/RxJava/pull/4723): fix fusion of `Observable.just`, fix `Observable.replay()` potential emission before `onSubscribe` call
+  - [Pull 4731](https://github.com/ReactiveX/RxJava/pull/4731): Delegate null `Collection`s down to `onError` in `toList`
+  - [Pull 4736](https://github.com/ReactiveX/RxJava/pull/4736): fix `onBackpressureBuffer(long, Action, BufferOverflowStrategy)` return type, fix `concatMapDelayError` wrong barrier mode selected.
+  - [Pull 4738](https://github.com/ReactiveX/RxJava/pull/4738): Fix `Flowable.flatMap` error, cancellation and resource management.
+
+**Removals**
+
+  - [Pull 4689](https://github.com/ReactiveX/RxJava/pull/4689): Remove `Maybe.toCompletable`, use `Maybe.ignoreElement`.
+  - [Pull 4708](https://github.com/ReactiveX/RxJava/pull/4708): remove `bufferSize` overloads of `Observable.publish` as there is no need to buffer anything for an `Observable`
+  - [Pull 4723](https://github.com/ReactiveX/RxJava/pull/4723): remove `flatMapIterable(Function, int)` overload
+
+**Other**
+
+  - [Pull 4682](https://github.com/ReactiveX/RxJava/pull/4682): Update Mockito to 2.1.0
+  - [Pull 4699](https://github.com/ReactiveX/RxJava/pull/4699): Clean up null usages by using `ObjectHelper.requireNonNull`.
+
+
 ### Version 2.0.0-RC4 - October 7, 2016 ([Maven](http://search.maven.org/#artifactdetails%7Cio.reactivex.rxjava2%7Crxjava%7C2.0.0-RC4%7C))
 
 This release contains new operators, further cleanups, better test coverage and bugfixes. Thanks to the respective contributors and @JakeWharton for the reviews.

README.md

@@ -31,7 +31,7 @@ The release plan for 2.x is as [follows](https://github.com/ReactiveX/RxJava/iss
   - **05/09/2016: Release Candidate 2: addressing feedback from RC 1**
   - **23/09/2016: Release Candidate 3: addressing feedback from RC 2**
   - **07/10/2016: Release Candidate 4: addressing feedback from RC 3**
-  - 21/10/2016: Release Candidate 5: addressing feedback from RC 4
+  - **21/10/2016: Release Candidate 5: addressing feedback from RC 4**
   - 29/10/2016: Stable Release: General availability
 
 ## Communication
@@ -42,13 +42,13 @@ The release plan for 2.x is as [follows](https://github.com/ReactiveX/RxJava/iss
 
 ## Versioning
 
-Version 2.x has reached Release Candidate 1. 
+Version 2.x has reached Release Candidate 5. 
 
 Version 1.x is now a stable API and will be supported for several years.
 
-Minor 1.x increments (such as 1.1, 1.2, etc) will occur when non-trivial new functionality is added or significant enhancements or bug fixes occur that may have behavioral changes that may affect some edge cases (such as dependence on behavior resulting from a bug). An example of an enhancement that would classify as this is adding reactive pull backpressure support to an operator that previously did not support it. This should be backwards compatible but does behave differently.
+Minor 2.x increments (such as 2.1, 2.2, etc) will occur when non-trivial new functionality is added or significant enhancements or bug fixes occur that may have behavioral changes that may affect some edge cases (such as dependence on behavior resulting from a bug). An example of an enhancement that would classify as this is adding reactive pull backpressure support to an operator that previously did not support it. This should be backwards compatible but does behave differently.
 
-Patch 1.x.y increments (such as 1.0.0 -> 1.0.1, 1.3.1 -> 1.3.2, etc) will occur for bug fixes and trivial functionality (like adding a method overload). New functionality marked with an [`@Beta`][beta source link] or [`@Experimental`][experimental source link] annotation can also be added in patch releases to allow rapid exploration and iteration of unstable new functionality. 
+Patch 2.x.y increments (such as 2.0.0 -> 2.0.1, 2.3.1 -> 2.3.2, etc) will occur for bug fixes and trivial functionality (like adding a method overload). New functionality marked with an [`@Beta`][beta source link] or [`@Experimental`][experimental source link] annotation can also be added in patch releases to allow rapid exploration and iteration of unstable new functionality. 
 
 #### @Beta