Mirrors update

  * Debmirror:
    - fix path's
    - add maas-xenial mirror
    - remove multiverse from ubuntu-xenial mirror
  * Maas:
    - fix path's
    - fix ephernal path
  * Split repos:
    - Switch to maas ppa, include key
    - Add jenkins ppa, include key
    - Allign '-' => '_' for ubuntu mirrors
  * Don't use online key-storage
    - add same structure for repo|_local keys

Change-Id: I01270d21022d1c4b389961fa39a746b0c3fa32f0
12 files changed