(PUP-2336) Is inherited should not be allowed in aces

This fixes incorrect usage of the ace['inherited'] to ace['is_inherited'].
Without this fix folks can use puppet resource and copy the inherited
items into the manifest and get some interesting results.
Merge branch 'ferventcoder/ticket/master/PUP-2336_fix_inherited_validation'

* ferventcoder/ticket/master/PUP-2336_fix_inherited_validation:
  (PUP-2336) Is inherited should not be allowed in aces