This submission creates a generic template
file to deploy custom roles.
Also adds a file to specify an exclusion role
list in order to avoid not to generate the
template for those roles.
Partial-Bug: #1626976
Depends-On: I6d7247bbb8702eb0ab9bdf133b5ab1c6e8349d98
Change-Id: I3e11c089023b793a5063d9e1714527a3fe2b7458