Refact publ migrate to use general func post pre Import refs #2699
Refactored article migr refs #2699
Refactored blog migr refs #2699
Refactored news migr refs #2699
Added paths to OshaWebTestCase
Added image_field_caption module
refacoterd image caption to use image_caption module field
refactored blog test to check for multilingual file refs #2699
Removed from osha blog feature the field_image_caption
refactored blog test to check for multilingual file refs #2699
Removed leftover commented code
Added util function for asserting files
Updated tests to test for multilingual files refs #2699
Updated test for case study to check for multivalue multilingual files refs #2699
Updated article test to test for multilingual image refs #2699
Fixed test for article parse source file refs #2699
Merge pull request #107 from dragos-dumi/2699_refactor_mig__multiling_files

2699 refactor mig  multiling files - tests for publications and calls fixed in pull request #109