[gitg] (11 commits) Created branch wip/patch-stage

[Jesse van den Kieboom <jessevdk src gnome org>]

The branch 'wip/patch-stage' was created.

Summary of new commits:

  e7d5312... Added line offset and length information in diff
  670909a... Move stage button to template
  e747a32... Move expand/collapse in separate function
  ab3e238... Allow selecting lines in diff
  d7da822... Improve stage/unstage button appearance
  cfafce0... Missing newline
  6bebbd4... Add background filler for more consistent diff look
  ef98b81... Add xhr helper
  1a431ca... Store offset and length in row
  e509124... Make stage selection behavior part of diff view widget
  9bba235... Add stage selection button