remove unused imports

src/main/scala/rx/lang/scala/Observable.scala

@@ -17,14 +17,11 @@
 package rx.lang.scala
 
 import rx.annotations.{Beta, Experimental}
-import rx.exceptions.OnErrorNotImplementedException
 import rx.functions.FuncN
 import rx.lang.scala.observables.{AsyncOnSubscribe, ConnectableObservable, ErrorDelayingObservable, SyncOnSubscribe}
 
 import scala.concurrent.duration
-import java.util
 
-import collection.JavaConversions._
 import scala.collection.generic.CanBuildFrom
 import scala.annotation.unchecked.uncheckedVariance
 import scala.collection.{Iterable, Traversable, immutable}
@@ -4858,7 +4855,6 @@ trait Observable[+T]
  */
 object Observable {
   import scala.collection.JavaConverters._
-  import scala.collection.immutable.Range
   import scala.concurrent.duration.Duration
   import scala.concurrent.{Future, ExecutionContext}
   import scala.util.{Success, Failure}

src/main/scala/rx/lang/scala/Subject.scala

@@ -15,7 +15,6 @@
  */
 package rx.lang.scala
 
-import rx.annotations.Experimental
 import rx.lang.scala.subjects.SerializedSubject
 
 /**

src/main/scala/rx/lang/scala/observables/AsyncOnSubscribe.scala

@@ -1,7 +1,7 @@
 package rx.lang.scala.observables
 
 import rx.annotations.Experimental
-import rx.lang.scala.{Notification, Observable, Subscriber}
+import rx.lang.scala.{Notification, Observable}
 
 /**
  * $experimental A utility class to create [[Observable]]s that start acting when subscribed to and responds

src/main/scala/rx/lang/scala/observables/BlockingObservable.scala

@@ -334,7 +334,6 @@ class BlockingObservable[+T] private[scala] (val o: Observable[T])
 // "implementation restriction: nested class is not allowed in value class.
 // This restriction is planned to be removed in subsequent releases."  
 private[observables] class WithFilter[+T] (p: T => Boolean, asJava: rx.observables.BlockingObservable[_ <: T]) {
-  import rx.lang.scala.ImplicitFunctionConversions._
 
   // there's no map and flatMap here, they're only available on Observable
 

src/main/scala/rx/lang/scala/observables/ConnectableObservable.scala

@@ -17,7 +17,7 @@
 package rx.lang.scala.observables
 
 import rx.annotations.Beta
-import rx.lang.scala.{Observable, Subscription, Subscriber}
+import rx.lang.scala.{Observable, Subscription}
 import rx.lang.scala.JavaConversions._
 
 /**

src/main/scala/rx/lang/scala/observables/SyncOnSubscribe.scala

@@ -1,7 +1,7 @@
 package rx.lang.scala.observables
 
 import rx.annotations.Experimental
-import rx.lang.scala.{Notification, Observable, Subscriber}
+import rx.lang.scala.Notification
 
 /**
   * $experimental A utility class to create [[Observable]]s that start acting when subscribed to and responds

src/main/scala/rx/lang/scala/observers/TestSubscriber.scala

@@ -21,7 +21,7 @@ import scala.concurrent.duration.Duration
 import rx.{Subscriber => JSubscriber, Observer => JObserver, Subscription => JSubscription}
 import rx.annotations.Experimental
 import rx.observers.{TestSubscriber => JTestSubscriber}
-import rx.lang.scala.{Observable, Observer, Subscriber}
+import rx.lang.scala.{Observer, Subscriber}
 
 /**
  * A [[TestSubscriber]] is a variety of [[Subscriber]] that you can use for unit testing, to perform

src/test/scala/rx/lang/scala/ConstructorTest.scala

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 package rx.lang.scala
-import scala.language.postfixOps
 import org.junit.Assert._
 import org.junit.Test
 import org.scalatest.junit.JUnitSuite

src/test/scala/rx/lang/scala/NotificationTests.scala

@@ -16,13 +16,9 @@
 package rx.lang.scala
 
 
-import org.junit.{Assert, Test}
+import org.junit.Test
 import org.junit.Assert._
 import org.scalatest.junit.JUnitSuite
-import scala.concurrent.duration._
-import scala.language.postfixOps
-import org.mockito.Mockito._
-import org.mockito.Matchers._
 import rx.lang.scala.Notification.{OnCompleted, OnError, OnNext}
 
 

src/test/scala/rx/lang/scala/ObservableTest.scala

@@ -24,11 +24,7 @@ import org.junit.Assert._
 import org.junit.{ Ignore, Test }
 import org.scalatest.junit.JUnitSuite
 import scala.concurrent.duration._
-import scala.language.postfixOps
 import rx.lang.scala.schedulers.TestScheduler
-import rx.lang.scala.subjects.BehaviorSubject
-import org.mockito.Mockito._
-import org.mockito.Matchers._
 
 class ObservableTests extends JUnitSuite {
 

src/test/scala/rx/lang/scala/ScalaTypesConversionsTests.scala

@@ -5,7 +5,7 @@ import org.scalatest.junit.JUnitSuite
 import rx.lang.scala.observers.TestSubscriber
 
 import scala.concurrent.Future
-import scala.util.{Failure, Success, Try}
+import scala.util.{Failure, Success}
 
 class ScalaTypesConversionsTests extends JUnitSuite {
 

src/test/scala/rx/lang/scala/SubjectTests.scala

@@ -15,7 +15,6 @@
  */
 package rx.lang.scala
 
-import scala.language.postfixOps
 
 import org.junit.Assert.{assertEquals, assertFalse, assertTrue}
 import org.junit.{Assert, Test}

src/test/scala/rx/lang/scala/SubscriptionTests.scala

@@ -16,14 +16,8 @@
 package rx.lang.scala
 
 
-import org.junit.{Assert, Test}
-import org.junit.Assert
+import org.junit.Test
 import org.scalatest.junit.JUnitSuite
-import scala.concurrent.duration._
-import scala.language.postfixOps
-import org.mockito.Mockito._
-import org.mockito.Matchers._
-import org.junit.Assert.assertEquals
 import org.junit.Assert.assertTrue
 import org.junit.Assert.assertFalse
 import rx.lang.scala.subscriptions.{SerialSubscription, MultipleAssignmentSubscription, CompositeSubscription}