Created and wired an implementation for the throttle operation on Observables.
Ensure static star imports are used for test cases.
No longer using Notification<T> for scheduling throttled events.
Cleaned up imports and removed unnecessary final keywords in the OperationThrottle class.
Fixed a typo the UnitTest class of OperationThrottle.
Merge pull request #352 from abersnaze/groovy-wrapper

Adding Func5-9 and N to the wrapper
[Gradle Release Plugin] - pre tag commit:  '0.12.2'.
[Gradle Release Plugin] - new version commit:  '0.12.3-SNAPSHOT'.
Version 0.12.1 and 0.12.2
Take Operator Error Handling

Unit test for https://github.com/Netflix/RxJava/issues/217
Merge pull request #353 from benjchristensen/take-unit-test

Take Operator Error Handling
implemented count operator (#32)
added sum operations
added test against long sum, too (#83)
implemented average operation (#25)
implemented skipWhile and skipWhileWithIndex (#80)
added interval methods to Observable, where they were still missing
removed unused imports
Added the two variants of the first operator.
Added FirstOrDefault operation