Updates NEWS for the 1.7.8 release
Updates NEWS for the 1.7.8 release

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