allow rail offset left for left aligned scroll bars

jquery.nicescroll.js

@@ -657,7 +657,7 @@
         var off = self.opt.railoffset;
         if (off) {
           if (off.top) pos.top += off.top;
-          if (self.rail.align && off.left) pos.left += off.left;
+          if (off.left) pos.left += off.left;
         }
         
         if (!self.railslocked) self.rail.css({
@@ -3631,4 +3631,4 @@
     $.nicescroll.options = _globaloptions;
   }
 
-}));
+}));