Implement ::raise(), ::lower() and ::sort_depth_order() in ClutterBox
Implement ::raise(), ::lower() and ::sort_depth_order() in ClutterBox

Provide the implementations of the newly added ClutterContainer virtual
functions inside ClutterBox.

rkudiyarov/clutter_osx,djdeath/clutter,spatulasnout/clutter,djdeath/clutter,Distrotech/clutter,djdeath/clutter,heysion/clutter-clone,djdeath/clutter-multithreaded,rkudiyarov/clutter_osx,djdeath/clutter-multithreaded,dlespiau/clutter,kerrickstaley/clutter-vala,jigpu/clutter,djdeath/clutter,GNOME/clutter,rkudiyarov/clutter_osx,heysion/clutter-clone,jigpu/clutter,djdeath/clutter,GNOME/clutter,ebassi/clutter,djdeath/clutter-multithreaded,dlespiau/clutter,kerrickstaley/clutter-vala,Distrotech/clutter,jigpu/clutter,GNOME/clutter,kerrickstaley/clutter-vala,heysion/clutter-clone,tardyp/clutter,nobled/clutter,dlespiau/clutter,Distrotech/clutter,collects/clutter,ebassi/clutter,spatulasnout/clutter,collects/clutter,spatulasnout/clutter,spatulasnout/clutter,Distrotech/clutter,GNOME/clutter,tardyp/clutter,djdeath/clutter,collects/clutter,nobled/clutter,jigpu/clutter,djdeath/clutter-android,tardyp/clutter,kerrickstaley/clutter-vala,jigpu/clutter,djdeath/clutter-android,djdeath/clutter-android,djdeath/clutter-multithreaded,Distrotech/clutter,collects/clutter,heysion/clutter-clone,nobled/clutter,djdeath/clutter-android,jigpu/clutter,collects/clutter,ebassi/clutter,Distrotech/clutter,heysion/clutter-clone,GNOME/clutter,djdeath/clutter-android,spatulasnout/clutter,rkudiyarov/clutter_osx,ebassi/clutter,ebassi/clutter