changing AlbumInfo attributes name, using the same names as subsonic API. Checking if lastFm and musicBrainzID are not empty strings. Saving the musicbrainz release url in constant. Using 'Show Info...' in meatball menu.

ui/browsing/albumpage.go

@@ -204,7 +204,7 @@ func NewAlbumPageHeader(page *AlbumPage) *AlbumPageHeader {
 				fyne.NewMenuItem("Download...", func() {
 					a.page.contr.ShowDownloadDialog(a.page.tracks, a.titleLabel.String())
 				}),
-				fyne.NewMenuItem("Get Info...", func() {
+				fyne.NewMenuItem("Show Info...", func() {
 					a.page.contr.ShowAlbumInfoDialog(a.albumID, a.titleLabel.String(), a.cover.Image.Image)
 				}))
 			pop = widget.NewPopUpMenu(menu, fyne.CurrentApp().Driver().CanvasForObject(a))