Release PTM 1.7

[lgblaumeiser]

• Update dependency versions
• Change cli ptm script jar file reference
• Change backend ptm script jar file reference
• Adapt filenames in install script
• Adapt resource /ptm_backend/src/main/resources/license_info.txt
• Adapt resource /ptm_cli/src/main/resources/license_info.txt
• Commit these changes prior to release prepare
• Run maven release
• Package and upload built release artifacts
• Create Wiki page
• Update docu concerning parameter changes in cli and usage of html app
• Commit the changes for next release