[glib-networking] (10 commits) Non-fast-forward update to branch wip/tlssplit

[Ignacio Casal Quinteiro <icq src gnome org>]

The branch 'wip/tlssplit' 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:

  53fcd52... Add a generic HAVE_TLS flag to build the tests
  932e4a7... Split tests to take into account the backend
  ffa59ae... tls: split out non-gnutls-specific code from gnutls backend

Commits added to the branch:

  f539b7e... Use upstream gettext intead intltool/glib-gettext (*)
  212e6a8... Add Language headers to po files (*)
  f486416... 2.49.90 (*)
  47ecd9a... Updated Polish translation (*)
  7e3316a... Add more options to XGETTEXT_OPTIONS in po/Makevars (*)
  6896dc7... Update British English translation (*)
  e5fb3e2... 2.50.0 (*)
  ac9f8ce... Add a generic HAVE_TLS flag to build the tests
  3df911b... Split tests to take into account the backend
  92d6b58... tls: split out non-gnutls-specific code from gnutls backend

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