updated to make use of pacman 4.1 vcs additions
- pkgver() function -> this will make package version sane again
  no more date as package version
  pkg version will reflect salts internal version
- sample vcs supported branch/tags added
- removed old sources/md5sums not needed
Merge pull request #4527 from aboe76/arch-pkgbuild-git

PKGBUILD-git updated to make use of pacman 4.1 vcs additions