javadocs: remove leftover "@SInCE" annotations; add param description

Author: DavidMGross

src/main/java/rx/Producer.java

@@ -17,7 +17,6 @@
 
 /**
  * @warn javadoc description missing
- * @since 0.20
  */
 public interface Producer {
 
@@ -27,7 +26,6 @@ public interface Producer {
      *
      * @param n the maximum number of items you want this Producer to produce, or {@code Long.MAX_VALUE} if you
      *          want the Producer to produce items at its own pace
-     * @since 0.20
      */
     public void request(long n);
 

src/main/java/rx/Subscriber.java

@@ -80,8 +80,6 @@ public final boolean isUnsubscribed() {
      * This method is invoked when the Subscriber and Observable have been connected but the Observable has
      * not yet begun to emit items or send notifications to the Subscriber. Override this method to add any
      * useful initialization to your subscription, for instance to initiate backpressure.
-     *
-     * @since 0.20
      */
     public void onStart() {
         // do nothing by default
@@ -94,7 +92,6 @@ public void onStart() {
      *
      * @param n the maximum number of items you want the Observable to emit to the Subscriber at this time, or
      *           {@code Long.MAX_VALUE} if you want the Observable to emit items at its own pace
-     * @since 0.20
      */
     protected final void request(long n) {
         Producer shouldRequest = null;
@@ -115,7 +112,6 @@ protected final void request(long n) {
      * @warn javadoc description missing
      * @warn param producer not described
      * @param producer
-     * @since 0.20
      */
     public void setProducer(Producer producer) {
         long toRequest;

src/main/java/rx/observers/TestSubscriber.java

@@ -136,8 +136,8 @@ public void onNext(T t) {
     /**
      * Allow calling the protected {@link #request(long)} from unit tests.
      *
-     * @param n
-     * @warn parameter "n" not described
+     * @param n the maximum number of items you want the Observable to emit to the Subscriber at this time, or
+     *           {@code Long.MAX_VALUE} if you want the Observable to emit items at its own pace
      */
     public void requestMore(long n) {
         request(n);