Stop Flinger before gotoPage. Fixes #48.

Author: tuxor1337

document-viewer/src/main/java/org/ebookdroid/core/EventGotoPage.java

@@ -77,6 +77,7 @@ public ViewState process() {
         final int top = Math.round(p.y);
 
         if (isScrollRequired(left, top, scrollX, scrollY)) {
+            view.forceFinishScroll();
             view.scrollTo(left, top);
             viewState.update();
             return viewState;

document-viewer/src/main/java/org/emdev/ui/widget/Flinger.java

@@ -110,7 +110,8 @@ public boolean computeScrollOffset() {
                     currY = finalY;
                     oldProgress = 1;
                     // System.out.println("Finished: " + currY);
-                    return true;
+                    // It was not really finished, but it surely is now.
+                    return false;
                 }
             }
             // System.out.println("Flinger.computeScrollOffset(" + SystemClock.uptimeMillis() + ")");