Issue #407: *.vst - file extension from Vision (Microsoft) (dismine/valentina)

New issue 407: *.vst - file extension from Vision (Microsoft) https://bitbucket.org/valentinateam/valentina/issues/407/vst-file-extension-from-vision-microsoft

Bettina G.:

I don´t know if this is a Problem, but the *.vst is used from Microsoft for visio.