update to vexflow 1.2.39: fix more noteheads (#706)

package.json

@@ -67,7 +67,7 @@
     "loglevel": "^1.6.8",
     "svg2pdf.js": "^1.5.0",
     "typescript-collections": "^1.3.3",
-    "vexflow": "1.2.92"
+    "vexflow": "1.2.93"
   },
   "devDependencies": {
     "@types/chai": "^4.2.11",

test/Util/generateImages_browserless.js

@@ -286,7 +286,7 @@ async function init () {
         // }) // end read file
     }
 
-    console.log('[OSMD.generateImages_browserless] exit')
+    console.log('[OSMD.generateImages] done, exiting.')
 }
 
 function debug (msg, debugEnabled) {