unhardcode OSX bundle-name

tools/osx_packaging/Info.plist.in

@@ -33,7 +33,7 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
-	<string>Ardour3</string>
+	<string>@BUNDLENAME@</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersions</key>

tools/osx_packaging/osx_build

@@ -204,6 +204,7 @@ sed -e "s?@ENV@?$env?g" \
     -e "s?@VERSION@?$release_version?g" \
     -e "s?@INFOSTRING@?$info_string?g" \
     -e "s?@IDSUFFIX@?$EXECUTABLE?g" \
+    -e "s?@BUNDLENAME@?${APPNAME}${major_version}?g" \
     -e "s?@EXECUTABLE@?$EXECUTABLE?g" < Info.plist.in > Info.plist
 # and plist strings
 sed -e "s?@APPNAME@?$appname?" \