docs: Clean up the README file
docs: Clean up the README file

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