Now that we sometimes call message_edit.end() twice, we need to check
if we've already cleaned it up.
(imported from commit 4e0efa14ba78df0a86b2ae97b99fa1be6197df88)
This reverts commit 87226d857845c6f16cb3bc0d6ab5bb748aca5987.
This meant that if for some reason there's a server error or network
failure trying to send in your edit, your changes are silently lost.
(imported from commit 2b5d19716fef1565b061a2b6c7cecc54f183b6f3)
The only known outstanding bug with this is that it doesn't properly
handle the updating of a message's highlighting/presence in a narrowed
view (e.g. in theory, a message should disappear if it is edited such
that its subject doesn't match your narrow or it no longer matches
your search). I think I'll just open a trac ticket about that once
this is merged, since it's a little hairy to deal with and kinda a
marginal use case.
Also it's not pretty, but that should be easy to tweak once we get the
framework merged.
Conflicts:
tools/jslint/check-all.js
(imported from commit 2d0e3a440bcd885546bd8e28aff97bf379649950)