message: update CHANGELOG and compare.cpp style to match miniapps
diff: @@ -33,13 +33,10 @@ Miscellaneous
  New and updated examples and miniapps
  -------------------------------------
  -- Added examples (exs.cpp,exp.cpp) in examples/gslib that show how
  - GSLIB-FindPoints can be used to find arbitrary number of points (in
  +- Added examples (exs.cpp,exp.cpp,compare.cpp) in examples/gslib that show
  + how GSLIB-FindPoints can be used to find arbitrary number of points (in
  physical-space) in a 2D/3D mesh in parallel, and interpolate a
  - GridFunction/ParGridFunction on those points.
  -- Added an example (compare.cpp) in examples/gslib that shows how
  - GSLIB-FindPoints can be used to compare solution on two different
  - meshes.
  + GridFunction/ParGridFunction at those points.
  Version 4.0, released on May 24, 2019
  =====================================
  