[#72985496] Adds Hdfs::QueryService delete and import_data
[#72985496] Adds generic uploads model/controller
[#72985496] User can create an HdfsImport via api

 - After uploading a file and getting the upload id, a user can create
   an HdfsImport for an HdfsEntry that is a directory
[#72985496] Adds Hdfs::ImportExecutor service

 - HdfsImports are enqued after creation (by the controller)
 - ImportExecutor imports the file to hdfs and destroys the import/upload
   on success or failure
[#72985496] Updates chorushdfs to f6b7ab9936

 - Hdfs#importData returns a wrapped response containing a success boolean
   and message/exception when unsuccessful
[#72985496] User can supply a custom file name to HdfsImport