add cname to the BLOSC_ARGS
adding cname to the command line
better help, show available codecs on the command line
move codec option to correct option group
adapt cram test so that it runs again
open the changelog
try running with codec equal lz4 on the command line
remove unneeded blank line
initial twitches of an alternate codec test
simple check if the correct codec was passed down and used by blosc
test all the new codecs support by blosc, now in a parametrized way
fix setting up the blosc_args in append_fp
test selecting an invalid codec from the command line
Merge branch 'blosc_1.3.x_support'

* blosc_1.3.x_support:
  test selecting an invalid codec from the command line
  fix setting up the blosc_args in append_fp
  test all the new codecs support by blosc, now in a parametrized way
  simple check if the correct codec was passed down and used by blosc
  initial twitches of an alternate codec test
  remove unneeded blank line
  try running with codec equal lz4 on the command line
  open the changelog
  adapt cram test so that it runs again
  move codec option to correct option group
  better help, show available codecs on the command line
  adding cname to the command line
  add cname to the BLOSC_ARGS