gmoledina/GMGridView — pull request #130 by pietrocaselani (2012-06-25 11:42:48+00:00)
Title: Set Columns and Long Touch at Action Delegate

* Add "numberOfColumnsInInterfaceOrientation" optional data source method;
* Turn the "sizeForItemsInInterfaceOrientation" into an optional data source method;
* Add (float) heightScaleFactor as a property of GMGridView class;
* Add "itemSizeInInterfaceOrientation" public method;
* Add "didLongTouchOnItemAtIndex" optional data source method.