Merge branch 'feature/aufs'

* feature/aufs:
  [95aufs] Support root=aufs:...
Merge branch 'feature/fs-lib'

* feature/fs-lib:
  [99fs-lib] Provide fs_mount_to_var utility function to parse /path:type:/dev,options style mountspecs
  [99fs-lib] Create generic mount framework
Merge branch 'feature/network'

* feature/network:
  [40network] Provide a hostname fallback function, in case there is no executable of this name
  [40network] Add variable parsing framework for network related variables
Merge branch 'feature/nfsmounts'

* feature/nfsmounts:
  [95nfs] Add support for rd.mount.early=*:nfs:*
Merge branch 'feature/tmpfs'

* feature/tmpfs:
  [95tmpfs] Add support for rd.mount.early=*:tmpfs:*