Had to make Schedulers.start public otherwise this wouldn't work

Author: akarnokd

src/main/java/rx/schedulers/Schedulers.java

@@ -178,7 +178,7 @@ public static void reset() {
      * Starts those standard Schedulers which support the SchedulerLifecycle interface.
      * <p>The operation is idempotent and threadsafe.
      */
-    /* public test only */ static void start() {
+    public static void start() {
         Schedulers s = getInstance();
 
         s.startInstance();

src/test/java/rx/schedulers/GenericScheduledExecutorServiceTest.java

@@ -26,7 +26,6 @@ public ScheduledExecutorService call() {
             });
 
             Schedulers.shutdown();
-            // start() is package private so had to move this test here
             Schedulers.start();
 
             Assert.assertSame(exec, GenericScheduledExecutorService.getInstance());