Dietpi: v159 Release

[Fourdee]

ToDo:

• 🈯️ Switch to RPi Stretch image on dietpi.com https://github.com/Fourdee/DietPi/issues/475#issuecomment-350519670
• 🈯️ Create/upload Allo GUI RPi Stretch image, to replace Jessie version
  -- 🈯️ Test updates of existing installations
• 🈯️ Update Allo GUI Sparky image
  -- 🈯️ Test updates of existing installations
  -- 🈯️ update forum links
• 🈯️ Xmas Tree? 🎄
• 🈯️ Merge https://github.com/Fourdee/DietPi/pull/1289
• 🈯️ Update DietPi Update Mirror
• 🈯️ Twitter post for update https://twitter.com/DietPi_/status/940004236028506113

[Fourdee]

~Release will now be done Monday evening, ran out of time today.~

Nope, we made it :)

[k-plan]

• Xmas Tree? 🎄

Yes, please .... :laughing:

:speak_no_evil:

[Fourdee]

@k-plan

[k-plan]

@Fourdee

Very nice! 👍

Good to see, you don't lose one's humour! 😄

[Fourdee]

@k-plan

Good to see, you don't lose one's your humour!

Trying, although its really salty recently lol

[Fourdee]

Completed.

Thanks @k-plan and @MichaIng for all your contributions this release, really appreciate it 👍