message: Adjusted formatting of sample runs in miniapps/toys/life.cpp
diff: // life -b '10 10 0' -g '2 2 0'
  // life -b '10 10 1' -g '2 2 0'
  // life -sp '8 10 0 1 1 1 2 1 1 1'
  -// life -nx 30 -sp '11 11 1 1 1 1 1 1 1 1 2
  -// 1 0 1 1 1 1 0 1 2
  -// 1 1 1 1 1 1 1 1'
  +// life -nx 30 -sp '11 11 1 1 1 1 1 1 1 1 2 1 0 1 1 1 1 0 1 2 1 1 1 1 1 1 1 1'
  #include "mfem.hpp"
  #include <algorithm>
  