branding-SLE-16-160000.2.2

- Update square-hicolor.svg to adapt the GNOME light color style
  (bsc#1243104).

- Merge all files from distributions-logos-SLE into
  distributions-logos-branding-SLE.

- Drop branding-SLE main package, its content is moved to release
  package (bsc#1239169).

- Add distribution-logos (bsc#1243104).

- Do not build main package as noarch, as we're actually looking at the
  build architecture in the spec file itself to control which
  subpackages to build. Required after rpm 4.20 update.

- Bump to version 16 (bsc#1235774)

- grub2: fix progress bar positionning
- grub2: add keybinding label for menu editing (bsc#888313).

- Remove update-alternatives usage, we don't have dynamic
  wallpapers anymore which were using that (bsc#1219919).

- Support %posttrans with macros provided by update-bootloader-rpm-macros
  package (bsc#997317) (bsc#1199818)

- Replace the initrd update with generic macros(bsc#1183594)