TouchDraw 1.3.6

New Features
   * Added orthoginal line connectors.
   * Added path line connectors.
   * Added an organization chart example.
Useability Enhancements
   * The overlays now adjust their position to be the opposite of the toolbar.  
   * Increased the performance of generating previews.   
Bug Fixes
   * Fixed an issue with the undo manager that could cause an error when a preview is generating in the background.
   * Fixed an issue that would prevent the items in the root directory from displaying in low memory situations.