Add Wrapper for CopyFileEx
Copy video file asynchronously

CopyFileEx will run on the caller thread. Running it in a
BackgroundWorker allows the UI thread to be updated on copying.
Add radio buttons to NewProjectView
Add CopyVideo bool updating
Merge branch 'master' of github.com:IMDC/LiveDescribe-Desktop into projects
Fix null reference error
Add option not to copy video to project folder