actor: Improve readability of raise/lower warnings
actor: Improve readability of raise/lower warnings

• Add the function name in the warning, since the text is the same in
  both clutter_actor_raise() and clutter_actor_lower().

• If an actor has a name then prefer it to the type name.

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