2.2.4: Merge pull request #177 from edissyum/2.x
GENERAL - Update packages
GENERAL - Improve update process
GENERAL - Possibity to add custom fields with a list of options
VERIFIER - Improve REGEX
VERIFIER - Improve OCR ON FLY
VERIFIER - Improve list loader
VERIFIER - Improve Maarch export
VERIFIER - Improve date detection
VERIFIER - Improve footer detection
VERIFIER - Various improvements & fixes
VERIFIER - Improve invoice number detection
VERIFIER - Improve supplier by adding email detection
SPLITTER - Improve documents custom fields display
SPLITTER - Add loading entities from MEM Courrier to a custom field
SPLITTER - Add choice to call (or not) the metadata script on splitter batch view