Merge pull request ReactiveX#221 from ReactiveX/jw/rxjava-dep

Recommend sibling RxJava dependency.

README.md

@@ -21,9 +21,13 @@ Since RxAndroid is part of the RxJava family the communication channels are simi
 
 ```groovy
 compile 'io.reactivex:rxandroid:1.0.1'
+// Because RxAndroid releases are few and far between, it is recommended you also explicitly
+// depend on RxJava's latest version for bug fixes and new features.
+compile 'io.reactivex:rxjava:1.0.14'
 ```
 
-<a href='http://search.maven.org/#search%7Cga%7C1%7Crxandroid'><img src='http://img.shields.io/maven-central/v/io.reactivex/rxandroid.svg'></a>
+* RxAndroid: <a href='http://search.maven.org/#search%7Cga%7C1%7Crxandroid'><img src='http://img.shields.io/maven-central/v/io.reactivex/rxandroid.svg'></a>
+* RxJava: <a href='http://search.maven.org/#search%7Cga%7C1%7Crxjava'><img src='http://img.shields.io/maven-central/v/io.reactivex/rxjava.svg'></a>
 
 Additional binaries and dependency information for can be found at [http://search.maven.org](http://search.maven.org/#search%7Cga%7C1%7Crxandroid).