[balsa] (9 commits) Non-fast-forward update to branch 78-edit-with-gnome

[Peter Bloomfield <peterb src gnome org>]

The branch '78-edit-with-gnome' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  40b22f4... sendmsg-window: Replace fork() and exec()

Commits added to the branch:

  0506b2a... HTML message display and printing improvements (*)
  ed340fc... fix wrong display/printout if the user overrides HTML prefe (*)
  2f7492c... use more appropriate function names for multipart/alternati (*)
  84957e3... body: Use a hash table to store HTML selection (*)
  fb518bb... body: Restore mp_alt_selection member (*)
  1ef095d... Implement and use libbalsa_wrap_quoted_string() (*)
  2f63dfb... Merge branch '74-quote-wrapped-lines' into 'master' (*)
  95337bd... Merge branch '75-peter' into 'master' (*)
  d43c4cd... sendmsg-window: Replace fork() and exec()

(*) This commit already existed in another branch; no separate mail sent