[IMP] [8.0] 'purchase' migration;
[FIX] add analysis work file; revert change in analysis file
[FIX] add analysis work file
[FIX] analysis file
[FIX] 'purchase' migration: pep8 and double quote;
[FIX] 'purchase' migration. note module as done in doc
[FIX] 'purchase' get id by xml_id
[REF] 'purchase' use list comprehension;
[FIX] inserted mandatory comma at the end of single element tuple
[FIX] - misplaced parenthesis correction
[IMP] Create standard purchase procurement rules
[FIX] copy/paste comment
[FIX] copy/paste comment nr 2
Merge pull request #123 from OpenUpgrade-dev/8.0-purchase-onesteinbv

8.0 'purchase' improve (onesteinbv)