WIP: Added bpls to utils

Podhorszki, Norbertrequested to merge
github/fork/pnorbert/bpls into master

Created by: pnorbert

It can

  • dump data from global variables
  • dump from BP and HDF5 files It cannot yet
  • print values and min/max
  • print decomposition
  • dump data per block
  • print mesh info

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