Remove use of directories widget in favor of text-area and directory
Remove use of directories widget in favor of text-area and directory

- The directories widget type requires that the value entered
  be a directory (i.e. start with a '/'). By using
  the text-area widget, any text character sequence is accepted.

TeradataCenterForHadoop/ambari-presto-service,prestodb/ambari-presto-service