Maven artifacts relocation to new groupid

relocated new group id based on maven documentaion

Security updates

• updated apache Tika version to 2.6.0
• updated jersey client to 2.37
• updated jackson to 2.14.0

Security updates

• updated apache Tika version to 2.4.0
• updated jackson to version 2.13.3
• updated sending endpoints to use List interface rather than ArrayList

Sender signature model update

added confirmation personal note

Minor server data model updates

• fixed server data model
• added more documentation to the library

library update

use only core of the apache tika

Library updates

• switched to default java logging
• switched from mimeutil library to apache tika for file type detection
• small type updates

Removed unused dependencies and updated libraries

• removed jaxb bindings
• updated log library
• added more message creation tests
• updated jersey version to 2.33

Minor updates to the model for messages

1.5.7

small model update

Clients can be retrieved with custom API url now

1.5.6

clients can be retrieved with custom API url now