Debian packages from ignition to gz

[chapulina]

• Part of Rename Ignition to Gazebo #698

Migrate packages from ignition to gz and offer ignition transitional packages for tick-tock.

• cmake
  • Initial implementation for gz- alises gazebo-release/gz-cmake3-release#1
  • Reverted
  • Move packages to gz and add ignition alias gazebo-release/gz-cmake3-release#6
• utils
  • Migrate name to gz- gazebo-release/gz-utils2-release#4
  • Move packages to gz and add ignition alias gazebo-release/gz-utils2-release#9
• math
  • Rename packages to gz- gazebo-release/gz-math7-release#11
• tools
  • Migrate to gz-* names gazebo-release/gz-tools2-release#3
  • Move packages to gz and add ignition alias gazebo-release/gz-tools2-release#11
• plugin
  • Move packages to gz and add ignition alias gazebo-release/gz-plugin2-release#10
• msgs
  • Migrate to gz- names gazebo-release/gz-msgs9-release#7
  • Move packages to gz and add ignition alias gazebo-release/gz-msgs9-release#11
• common
  • Migration to gz- packages gazebo-release/gz-common5-release#12
  • Move packages to gz and add ignition alias gazebo-release/gz-common5-release#18
• sdformat
  • Use gz packages instead of ignition gazebo-release/sdformat13-release#15
• transport
  • Move packages to gz and add ignition alias gazebo-release/gz-transport12-release#13
• rendering
  • Move packages to gz and add ignition alias gazebo-release/gz-rendering7-release#15
  • Use gz packages instead of ignition gazebo-release/gz-rendering7-release#16
• physics
  • Move packages to gz and add ignition alias gazebo-release/gz-physics6-release#13
• sensors
  • Move packages to gz and add ignition alias gazebo-release/gz-sensors7-release#15
  • Use gz packages instead of ignition gazebo-release/gz-sensors7-release#17
• gui
  • Move packages to gz and add ignition alias gazebo-release/gz-gui7-release#10
  • Use gz packages instead of ignition gazebo-release/gz-gui7-release#11
• fuel-tools
  • Move packages to gz and add ignition alias gazebo-release/gz-fuel-tools8-release#11
  • Use gz packages instead of ignition gazebo-release/gz-fuel-tools8-release#12
• sim (former ign-gazebo)
  • Move packages to gz and add ignition alias gazebo-release/gz-sim7-release#12
  • Use gz packages instead of ignition gazebo-release/gz-sim7-release#13
• launch
  • Move packages to gz and add ignition alias gazebo-release/gz-launch6-release#10
  • Add Breaks / Replaces for releases before gz gazebo-release/gz-launch6-release#11
  • Use gz packages instead of ignition gazebo-release/gz-launch6-release#12
• garden
  • Rename package to gz-garden gazebo-release/gz-garden-release#10
  • Use gz-launch debs gazebo-release/gz-garden-release#13

Infra PRs

• Add script to rename packages from ignition to gazebo #726
• Update GITHUB_ORG for debbuilds #735