Note the Guava 21 is a requirement for java users
Not updating to this version causes people to get
compilation errors when using ExpectedConditions.
v3.2.0
======
+* Updated Guava to version 21 and started using Java 8 features. Users
+ are recommended to update too.
* Fix a problem starting Firefox caused by missing libraries
* Experimental support for the W3C Action endpoints
* Remove deprecated `FluentWait.until(Predicate<?>)` method. This
