[glib-networking] (7 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:

  156ba69... tls: split out non-gnutls-specific code from gnutls backend
  0a1e4f9... Add a generic HAVE_TLS flag to build the tests
  69be0c5... base: add abstraction for push_io and pop_io
  fa41795... Split tests to take into account the backend
  c764ecf... base: move accept_peer_certificate to the base connection
  0d64068... Set the certificate even if there is a bad certificate erro

Commits added to the branch:

  afde448... gnutls: Expose g_tls_connection_close() internally (*)
  1e2c086... tls: split out non-gnutls-specific code from gnutls backend
  634cd51... Add a generic HAVE_TLS flag to build the tests
  6f154e0... base: add abstraction for push_io and pop_io
  cf7d247... Split tests to take into account the backend
  ce42946... base: move accept_peer_certificate to the base connection
  a084a49... Set the certificate even if there is a bad certificate erro

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