Merge branch 'js/repoconfig' into next

* js/repoconfig:
  repo-config: readability fixups.
  repo-config: support --get-regexp
  gitk: Allow view to specify arbitrary arguments to git-rev-list
  gitk: Fix file list display when files are renamed
  gitk: Basic support for highlighting one view within another
  gitk: Add a tree-browsing mode
  gitk: Use a text widget for the file list
  gitk: add menu item for editing the current view
  gitk: Implement "permanent" views (stored in ~/.gitk)
  gitk: Use git-rev-parse only to identify file/dir names on cmd line
  gitk: Remember the view in the history list
  gitk: Don't reread git-rev-list output from scratch on view switch
  gitk: Fix various bugs in the view support
  gitk: Make File->Update work properly again
  gitk: Implement multiple views
  [PATCH] gitk: Add a visual tag for remote refs