Use t instead of value to allow for IDE naming (#4907)

Author: Jawnnypoo

src/main/java/io/reactivex/MaybeObserver.java

@@ -45,10 +45,10 @@ public interface MaybeObserver<T> {
      * <p>
      * The {@link Maybe} will not call this method if it calls {@link #onError}.
      *
-     * @param value
+     * @param t
      *          the item emitted by the Maybe
      */
-    void onSuccess(T value);
+    void onSuccess(T t);
 
     /**
      * Notifies the MaybeObserver that the {@link Maybe} has experienced an error condition.

src/main/java/io/reactivex/Observer.java

@@ -50,10 +50,10 @@ public interface Observer<T> {
      * The {@code Observable} will not call this method again after it calls either {@link #onComplete} or
      * {@link #onError}.
      *
-     * @param value
+     * @param t
      *          the item emitted by the Observable
      */
-    void onNext(T value);
+    void onNext(T t);
 
     /**
      * Notifies the Observer that the {@link Observable} has experienced an error condition.

src/main/java/io/reactivex/SingleObserver.java

@@ -47,10 +47,10 @@ public interface SingleObserver<T> {
      * <p>
      * The {@link Single} will not call this method if it calls {@link #onError}.
      *
-     * @param value
+     * @param t
      *          the item emitted by the Single
      */
-    void onSuccess(T value);
+    void onSuccess(T t);
 
     /**
      * Notifies the SingleObserver that the {@link Single} has experienced an error condition.