Make Android ViewObservable.input observe TextView instead of String
Bring back ViewObservable.input(EditText, boolean) and rename new version to ViewObservable.text
groupBy with element selector

Fixes https://github.com/Netflix/RxJava/issues/1554
Merge pull request #1567 from benjchristensen/groupBy-selector

groupBy with element selector
Compose/Transformer

See https://github.com/Netflix/RxJava/issues/1416 for discussion that led to this.

This does not have co/contra-variance which needs to be figured out.
Compose/Transform Covariance

Failing test while exploring generic variance for https://github.com/Netflix/RxJava/issues/1416
Merge pull request #1568 from benjchristensen/compose-transformer

Compose/Transformer
Fix for mapcat, issue #1556

Corrected mapcat to actually concat its results rather than merging.
Added warning to docstring thta this might not be ideal.

Added flatmap to cover map+merge case.
Merge pull request #1570 from daveray/rx-clj-fix-mapcat

Fix for mapcat, issue #1556
javadoc enhancements for recent groupBy/compose/Transformer changes
Remove Timeout in Blocking Iterator

This was a temporary timeout to track down bugs.
Merge pull request #1572 from benjchristensen/remove-toBlocking-timeout

Remove Timeout in Blocking Iterator
Remove Temporary Timeout in take

Fix it properly this time :-)
Backpressure: parallel

Fixes https://github.com/Netflix/RxJava/issues/1485
Merge pull request #1573 from benjchristensen/parallel-backpressure

Backpressure: parallel
additional javadoc enhancements for lift & compose
Use single Executor for all tests

... so it doesn't leak for every test.
[Gradle Release Plugin] - pre tag commit:  '0.20.0-RC5'.
[Gradle Release Plugin] - new version commit:  '0.20.0-RC6-SNAPSHOT'.
Version 0.20.0-RC5