Merge branch 'devel-2.5'

* devel-2.5:
  Fix wrong headers and licences
  Update NEWS and increase to 2.4.5
  Fix parameters of RpcResult in hooks unit tests
  Fix a too long line.
  Move RenameFile to the new functions
  ensure_dirs: Move some useful functions into utils.
  Use JoinDisjointDicts in mcpu
  Add the JoinDisjointDicts function to utils.algo
  Fix queue archive creation with wrong permissions
  Ensure permission on the job queue version file
  OpGroupVerifyDisks: Fix wrong result type declaration
  RAPI: Make node evacuation actually work
  Bump version to 2.5.0~rc2
  Update NEWS for unreleased 2.4.5
  RAPI: Fix resource for replacing disks

Conflicts:
	lib/rapi/rlib2.py: Merged bugfix from commit 539d65ba

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: René Nussbaumer <rn@google.com>