May updates

System updates:

• Added RFM filters and Loyalty filters, filtration group "Communication"
• Manage subscriptions section appeared on the plan page
• If the logo is not uploaded, the name of the template is substituted in the card issuance form

Bug fixes:

• Returned custom fields to user profile
• Removed the ability to re-set the card on the referral program to the same credentials
• Fixed the possibility for the scanner to debit more points than the card balance
• Fixed unloading of transaction report
• If a company is deleted, all managers of this company will be deleted
• Prohibited setting up a coupon if the associated card is already set up