Blackholable operator by config

[t9md]

suggested in #901

• new blackholeRegisteredOperators config hold list of operator command name which does not update register.
  • e.g. change, change-line, delete.
• This new config deprecate old dontUpdateRegisterOnChangeOrSubstitute configuration, since have same purpose and with more granular control(superset).
• delete*, change*, yank*, substitute* are specially supported value which meansd all* operators of same family.
• Here is full list of available command(at this point, but won't change much in future).
  • change # c
  • change-to-last-character-of-line # C
  • change-line # C in visual
  • change-occurrence
  • change-occurrence-from-search
  • delete # d
  • delete-to-last-character-of-line # D
  • delete-line # D in visual
  • delete-right # x
  • delete-left # X
  • substitute # s
  • substitute-line # S
  • yank # y
  • yank-line # Y
  • delete*
  • change*
  • yank*
  • substitute*