refs #2660 - Added Blog migration
refs #2660 - Added Blog feature
refs #2660 - Added Blog migration in install.sh & upgrade.sh
refs #2660 - Fixed some issues
refs #2661: Write first tests for blogs migration
refs #2660 - Fixed some issues #2
refs #2645: Add test for activity taxonomy
refs #2645: Add activity taxonomy
refs #2645: Add activity source file
refs #2665: Write tests for activity migration
refs #2665: Complete tests for the taxonomy 'activity' migration
refs #2645: Add migration taxonomy 'activity' migration class
refs #2645: Map the taxonomy 'activity' migration
refs #2661: Add node language test for content type 'blog'
refs #2572: Update migration unmigrated fields (source and destination)
Added File and Image Migration Handlers to osha migration
Made publication cover image multilungual
Updated publication migration to support file and cover_image multilingual refs #2680
Refactored migration publication test to check for multilingual files. Refactored test data folder refs #2680
refs #2645: Include taxonomy 'Activity' migration in 'install.sh' and in 'update.sh' scripts