Merge topic 'modernize-for-loops'

01b2d6ab74 Modernize: Use ranged for-loops when possible
15bdbec017 cmAlgorithms: Make cmRange advance/retreat safe for rvalues

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Daniel Pfeifer <daniel@pfeifer-mail.de>
Merge-request: !2901