Move internal data structures on top
Move internal data structures on top

Try to keep the declarations section of the source files clean and
possibly consistent.

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