ENH: Updated inset locator axes to return a HostAxes by default
GTK3 backend: Replaced deprecated GObject calls with GLib
Merge pull request #2805 from cimarronm/inset_axes_host

ENH: Updated inset locator axes to return a HostAxes by default
Merge pull request #2826 from timovwb/master

GTK3 backend: Replaced deprecated GObject calls with GLib
TST : make 3.2 pass again

1) fixed pep8 in test_legend
2) knownfailed the animationsmoketests on 3.2
Merge pull request #2838 from tacaswell/fix32

TST : make 3.2 pass again