Merge branch 'pr/74'

Author: alamkanak

library/src/main/java/com/alamkanak/weekview/WeekView.java

@@ -1433,6 +1433,14 @@ else if (hour > 24)
         invalidate();
     }
 
+    /**
+     * Get the first hour that is visible on the screen.
+     * @return The first hour that is visible.
+     */
+    public double getFirstVisibleHour(){
+        return -mCurrentOrigin.y / mHourHeight;
+    }
+
 
 
     /////////////////////////////////////////////////////////////////