D5146: histedit: import chistedit curses UI from hg-experimental

[pulkit (Pulkit Goyal)]

pulkit added a comment.


  Is the goal is to include this in 4.8?

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D5146

To: durin42, #hg-reviewers
Cc: pulkit, mercurial-devel