Updates NEWS for the 1.9.8 release
Updates NEWS for the 1.9.8 release

gcampax/cogl,djdeath/cogl-android,djdeath/cogl,Distrotech/cogl,djdeath/cogl,djdeath/cogl-android,Distrotech/cogl,gcampax/cogl,gcampax/cogl,Distrotech/cogl,gcampax/cogl,djdeath/cogl,djdeath/cogl-android,Distrotech/cogl