box-layout: Plug memory leaks
box-layout: Plug memory leaks

https://bugzilla.gnome.org/show_bug.cgi?id=660985

djdeath/clutter,Distrotech/clutter,Distrotech/clutter,djdeath/clutter-multithreaded,heysion/clutter-clone,collects/clutter,heysion/clutter-clone,kerrickstaley/clutter-vala,djdeath/clutter-android,jigpu/clutter,djdeath/clutter,heysion/clutter-clone,Distrotech/clutter,djdeath/clutter-multithreaded,djdeath/clutter-android,djdeath/clutter,collects/clutter,GNOME/clutter,jigpu/clutter,GNOME/clutter,heysion/clutter-clone,GNOME/clutter,djdeath/clutter-android,kerrickstaley/clutter-vala,jigpu/clutter,djdeath/clutter,heysion/clutter-clone,Distrotech/clutter,ebassi/clutter,djdeath/clutter-android,Distrotech/clutter,kerrickstaley/clutter-vala,collects/clutter,Distrotech/clutter,GNOME/clutter,kerrickstaley/clutter-vala,ebassi/clutter,jigpu/clutter,djdeath/clutter-multithreaded,jigpu/clutter,collects/clutter,ebassi/clutter,djdeath/clutter,djdeath/clutter,GNOME/clutter,collects/clutter,ebassi/clutter,djdeath/clutter-multithreaded,jigpu/clutter,djdeath/clutter-android,ebassi/clutter