Release foreman_salt 1.0.0 for Foreman 1.7 (RPM)

Scratch builds:
  F19: http://koji.katello.org/koji/taskinfo?taskID=184705
  EL6: http://koji.katello.org/koji/taskinfo?taskID=184707
  EL7: http://koji.katello.org/koji/taskinfo?taskID=184708