PHP internal var_dump() function is converted to Drush internal function.
- Integrated taxonomy terms migration in nodes.
- Added Expire Date migration in FS content type.
- Solved addFieldMapping problem shown in Drupal Migration testing section.
Fixed wrong comments coming from copy-paster operation
Added researchers page migration
Fixed comments coming from copy-paste operations in node migration functions
Added researchers content type migrator class
Added unmigrated source fields to researchers migration class
Added researchers content type migration in hook_migrate_flush_caches() function
Removed unneeded spacing in hook_migrate_flush_caches()
Dependencies added to the migrations