Cherry pick missing LoKi functor fix to 2018-patches
Completely Trivial: Add two new functor 'shortcuts' for MCMAXTREE and MCMINTREE
See merge request !3537 (merged)
(cherry picked from commit 6e5834f3)
a9b2fd7e Add two new functor 'shortcuts' for MCMAXTREE and MCMINTREE
Edited by Mark Smith