Merge pull request #2401 from HyphaApp/feature/add-vendor

hypha/apply/activity/messaging.py

hypha/apply/activity/migrations/0056_add_updated_vendor.py

hypha/apply/activity/options.py

...ctivity/templates/messages/email/vendor_setup_needed.html

...ply/activity/templates/messages/email/vendor_updated.html

hypha/apply/categories/blocks.py

hypha/apply/projects/forms/__init__.py

hypha/apply/projects/forms/payment.py

hypha/apply/projects/forms/project.py

hypha/apply/projects/forms/report.py

hypha/apply/projects/forms/vendor.py

hypha/apply/projects/migrations/0036_add_vendor.py

hypha/apply/projects/models/__init__.py

hypha/apply/projects/models/project.py

hypha/apply/projects/models/vendor.py

...s/application_projects/includes/supporting_documents.html

...ojects/templates/application_projects/project_detail.html

...rojects/templates/application_projects/vendor_detail.html

.../projects/templates/application_projects/vendor_form.html

...ojects/templates/application_projects/vendor_success.html