[glib] (17 commits) ...Merge branch '1515-gdbus-threading' into 'master'

[Sebastian Dröge <sdroege src gnome org>]

Summary of changes:

  6b786ac... tests: Port gdbus-threading to use g_assert_*() rather than
  b302ee9... tests: Move refcount checks to the end of each test in gdbu
  72afc79... gdbusproxy: Replace home-grown weak ref implementation with
  d9dab2b... gdbusproxy: Tidy up some memory management code
  cc11c79... gdbusproxy: Simplify a pointer theft
  bcee182... gdbusconnection: Drop an unnecessary GMainContext reference
  1a51681... gdbusconnection: Simplify some control flow
  b2e543f... tests: Take explicit connection and context when ensuring t
  ac274b4... tests: Add timeout to assert_connection_has_one_ref()
  af6dbec... tests: Wait until unwatching the gdbus-testserver name has 
  79ef610... tests: Wait until unsubscribing from a signal has completed
  cd0ab35... tests: Use GMainContext instead of GMainLoop in gdbus-threa
  f74a987... tests: Use TestSignal rather than NameOwnerChanged to test 
  0f0af5a... tests: Mark gdbus-threading as non-flaky any more
  ab28589... gdbusconnection: Document main context iteration for unsubs
  55eb360... tests: Skip g-file-info-filesystem-readonly test if bindfs 
  73d5579... Merge branch '1515-gdbus-threading' into 'master'