New TurnKey YouPHPTube version (15.1)

Changes:

• Rebuild to resolve inadvertant removal of mariadb during sec-updates
  • part of #1246.
• Fix Apache redirect to domain (now supports setting APP_DOMAIN to IP address). Part of #1230.
• Include encoding support. [ https://github.com/MPTMG ]

Links

• Release meta-files (signature, manifest)