Bump development version to 1.9.9
Bump development version to 1.9.9

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