Fixes #3069 : correct the version 3.0 of the check generic file content based on the modification applied on version 3.1
Refs #3069 : complete the check for content to add in the promises
Merge pull request #13 from ncharles/bug_3069/dev/Allow_empty_replace_in_check_generic_file_content

Fixes #3069 : correct the version 3.0 of the check generic file content based on the modification applied on version 3.1