Preprocessor

Pull request #38: Develop

Merge in EOSC-RS/preprocessor from develop to master

* commit 'd4b3e7205483059c1b59b1ef7f74acbcc1a5257e': (23 commits)
  RS-442 disable psql updater test
  RS-442 disable psql updater test
  RS-442 update psql test properties in psql updater job
  RS-442 update psql test properties in psql updater job
  RS-442 disable Training Job Test
  RS-442 fix db updater
  RS-442 update basic job SummaryWriter
  RS-442 remove SparkSession chain
  RS-451 detect language - loading model from hdfs
  RS-451 detect language - custom pipeline draft
  RS-456 handle DB update job
  RS-456 add CSV reader
  RS-456 clean postgres Job
  RS-456
  RS-455 adjust spark shared processing
  RS-454 remove non-alphanumeric filter
  RS-442 extract ds format
  RS-442 changed spark job interface, added previousDumpDir parameter
  RS-453 operations for changing active jar's
  RS-452 remove HTML tags from dumps
  ...