Merge pull request #4 from lm2343635/master

Add scroll reactive extensions.

Author: kazuhiro4949

RxPagingKit/PagingContentViewController+Rx.swift

@@ -103,6 +103,12 @@ public extension Reactive where Base: PagingContentViewController {
         return delegate.willFinishPaging
     }
 
+    public func scroll(animated: Bool) -> Binder<Int> {
+        return Binder(self.base) { (controller, index) in
+            controller.scroll(to: index, animated: animated)
+        }
+    }
+    
     private var delegate: RxPagingContentViewControllerDelegateProxy {
         return RxPagingContentViewControllerDelegateProxy.proxy(for: base)
     }

RxPagingKit/PagingMenuViewController+Rx.swift

@@ -103,10 +103,14 @@ public extension Reactive where Base: PagingMenuViewController {
         return delegate.willDisplayCell
     }
 
+    public var scroll: Binder<Int> {
+        return Binder(self.base) { (controller, index) in
+            controller.scroll(index: index)
+        }
+    }
+    
     private var delegate: RxPagingMenuViewControllerDelegateProxy {
         return RxPagingMenuViewControllerDelegateProxy.proxy(for: base)
     }
+    
 }
-
-
-