Help beta-test LHDR 2.6.0 on mac and or windows

[HIRAM (Richard E Barber)]

Luminance HDR 2.6.0 is on the way; let’s help test these packages on your systems.

macOS

• https://kd6kxr.keybase.pub/Luminance%20HDR%20v.2.5.1-385-g1ca5bd02.dmg
  ++ updated align_image_stack with Hugin 2019 binaries.

Windows

• https://keybase.pub/gaaned92/HDRNightlyBuilds/

---

Any bugs please report @ https://github.com/LuminanceHDR/LuminanceHDR/issues