Change Library object use mediaCategory, allow adding new manual folder path, validate folder paths, fix Watcher re-init after folder path updates

server/objects/files/LibraryFile.js

@@ -65,7 +65,6 @@ class LibraryFile {
     this.metadata = fileMetadata
     this.addedAt = Date.now()
     this.updatedAt = Date.now()
-    console.log('Library file set from path', path, 'rel path', relPath)
   }
 }
 module.exports = LibraryFile