.NET 3.5 Compatibility test
Fixed OpenXml copy local
Added main menu
Moved main menu into resources
Added grid width and height option
Added Options class
Refactored MainWindow class
Changed zoom slider max range
Added Zoom calc for better zoom speed
Splitted Constants class
Added LineEx shape
Updated examples
Added Invert Start/End context menu option
Updated OpenXml SDK reference
Refactored LineEx
Added new example
More LineEx refactoring
Added inverted line start/end to OpenXml export
Updated examples
Added new example