Added missing ums mediainfo fields
 - Added fields Stereoscopy, MatrixCoefficients and EmbeddedFontExists to DOVideoFileInfo
 - Persist added fields in DB
 - Created DB update script
 - Display value of field Stereoscopy in VideoFileInfoPanel
 - Added column Stereoscopy to library view
 - Updated DB and videofile version
Show dialog asking if files having to be re-scanned on application startup
Merge branch 'master' of https://github.com/taconaut/ums-mlx