Add export functionality to VS Ultimate modeling tool

Follow posting http://blogs.msdn.com/b/camerons/archive/2010/11/29/xmi-export-sample.aspx by Cameron in Skinner's blog. It provide example tool's extension XMIExportSample. The sample builds the installation for new  Export feature to VS
Requirement:
VS SDK
Visualization and Modeling SDK

Note that import is provided by VS through Architect menu.