RxJava 0.20 and Remove Deprecated Usage
Merge pull request #314 from benjchristensen/rxjava-upgrade

RxJava 0.20 and Remove Deprecated Usage
[Gradle Release Plugin] - pre tag commit:  '1.4.0-RC5'.
[Gradle Release Plugin] - new version commit:  '1.4.0-RC6-SNAPSHOT'.
1.4.0-RC5