[GUI] Starting to layout the new dataset creation action
Merge branch 'master' of github.com:XIMDEX/xlyre

* 'master' of github.com:XIMDEX/xlyre:
  Adding basic funcionality to COnfigure action
  Creating base classes for config values in ORM
  Adding new tables in DB for configuring values
  Creating base template for Configure action
  Fixing system for showing Configure Xlyre action in Control Center
  Now the created datasets can be removed before creating the whole catalog.
  Fixing a bug when creating a new OpenData section inside Ximdex CMS. Also, the existing strings have been translated.
  Allowing sections can have OpenData catalogs
  Preparing constructor/destructor to add module setting in Ximdex Control Center
  Creating Delete Catalog action
  Extending delete_dataset function to be used in other levels + fixing minor warnings
  Adding functionality to delete dataset action