Changes

• Feature: Added option to disable callbacks (callbacks now by default disabled)
• Feature: Added option to specify a whitelist for callbacks
• Feature: Added possibility to restrict urls of other S3 filerepos
• Feature: Added posibility to whitelist filerepository types (other S3 compatible storage is now by default disabled)
• Security: Upgraded various libraries with security vulnerabilities
• Security: Fixing access control for filechunks
• Bugfix: Fixing MAX_API_KEY_TOKEN_TIME_VALID not limiting session lifetime of api keys
• Other: File transfer tickets now expiring