Get uploading of files working, so that Elvis database is modified to include the following for each symbolic music file in it

[juyaolongpaul]

• A database table of all feature names and associated feature values extracted by jSymbolic2 from the file
  - A jSymbolic CSV feature values file
  - A jSymbolic Weka ARFF feature values file
  - A jSymbolic ACE XML feature values file
  - A jSymbolic ACE XML feature definitions file
  - A jSymbolic configuration file