- Added organization name member to vtkInitializationHelper
- Changed location of user settings file to
  CONFIG_DIR/ORGANIZATION_NAME/APPLICATION_NAME-UserSettings.json
  This will enable the same organization to have more than one
  branded ParaView application with different settings.
- Creates the directory in which the settings file should
  reside if it does not exist.
- Application and organization names are set in pqApplicationCore
  instead of branded_paraview_initializer.cxx.in

Change-Id: Ic50a020c8acf984c2284e824fa99145a93ad028e