Fixes in scripts
Squashed 'saltstack/salt-formulas/apache-saltstack-formula/' changes from d327ec4..6fedfb1

6fedfb1 Added support for mod_headers

git-subtree-dir: saltstack/salt-formulas/apache-saltstack-formula
git-subtree-split: 6fedfb1131774a0639d7cf55614617ebfbec4564
Merge commit '141f7fe51f316c9b64a1bda53a5707405106a941'