message: Mentioned new mesh-explorer options in CHANGELOG.
diff: @@ -64,6 +64,8 @@ Miscellaneous
  the Hilbert curve. The ordering can be used to improve caching and parallel
  partitioning in non-conforming AMR.
  +- New options to reorder and partition the mesh in the mesh-explorer miniapp.
  +
  - Improved element numbering after uniform mesh refinement.
  New and updated examples and miniapps
  