Prevent several rotation methods from getting called twice in iOS8, w…

…here they are automatically called from [UIViewController viewWillTransitionToSizeWithTransitionCoordinator:]

MMDrawerController/MMDrawerController.m

@@ -762,9 +762,13 @@ -(void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrien
             [self resetDrawerVisualStateForDrawerSide:self.openSide];
         }
     }
-    for(UIViewController * childViewController in self.childViewControllers){
-        [childViewController willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration];
+    if ([self needsManualForwardingOfRotationEvents])
+    {
+        for(UIViewController * childViewController in self.childViewControllers){
+            [childViewController willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration];
+        }
     }
+
 }
 -(void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration{
     [super willAnimateRotationToInterfaceOrientation:toInterfaceOrientation duration:duration];
@@ -789,8 +793,12 @@ -(void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInter
             CFRelease(oldShadowPath);
         }
     }
-    for(UIViewController * childViewController in self.childViewControllers){
-        [childViewController willAnimateRotationToInterfaceOrientation:toInterfaceOrientation duration:duration];
+
+    if ([self needsManualForwardingOfRotationEvents])
+    {
+        for(UIViewController * childViewController in self.childViewControllers){
+            [childViewController willAnimateRotationToInterfaceOrientation:toInterfaceOrientation duration:duration];
+        }
     }
 }
 
@@ -801,8 +809,12 @@ -(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfac
 -(void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation{
     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
     self.startingPanRect = self.centerContainerView.frame; //
-    for(UIViewController * childViewController in self.childViewControllers){
-        [childViewController didRotateFromInterfaceOrientation:fromInterfaceOrientation];
+
+    if ([self needsManualForwardingOfRotationEvents])
+    {
+        for(UIViewController * childViewController in self.childViewControllers){
+            [childViewController didRotateFromInterfaceOrientation:fromInterfaceOrientation];
+        }
     }
 }
 
@@ -1354,6 +1366,12 @@ -(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveT
     }
 }
 
+- (BOOL)needsManualForwardingOfRotationEvents
+{
+    BOOL beforeIOS8 = ([[[UIDevice currentDevice] systemVersion] compare:@"8.0" options:NSNumericSearch] == NSOrderedAscending);
+    return beforeIOS8;
+}
+
 #pragma mark Gesture Recogizner Delegate Helpers
 -(MMCloseDrawerGestureMode)possibleCloseGestureModesForGestureRecognizer:(UIGestureRecognizer*)gestureRecognizer withTouch:(UITouch*)touch{
     CGPoint point = [touch locationInView:self.childControllerContainerView];