Importer raises validation error on missing mandatory fields.
hrm_training.grade not mandatory, support for custom datalist layout per
resource.
Deduplicate before validate even in components.
Deployment setting to relax the strict email-matching rule in
pr_person_deduplicate (used during prepop).
Fix prepop issues with new strict validation
Merge branch 'master' of git://github.com/nursix/eden
Allow local purchases