Spynl update 5.50

Important highlights from this release

• Dynamic loyalty settings
• Several smaller bug fixes/improvements.
• Some  refactorings.
• Better feedback about authorization problems

All updates for this release

Bug

• Beta customer for roles couldnt do EOD
• whitelist latestcollection.com
• footer image in emails cannot be shown
• Double uuids from /customers/add
• change-application-access: internal server error
• Powered By Softwear Logo is not scaled down in MS Outlook
• do not keep method on request.args
• do not keep sid on request.args

Story

• loyaltyCampaigns setting 
• Validate transactions via new "Sales/add" that create same documents as "transactions/add"
• Merge pdf, upload and pipe into services
• Include resource in permission denied message
• Let translation happen during serialization
• Translate messages in spynl.pdf
• make /about/applications endpoint
• Use /image and /logo resource instead of /upload for better auth