Bump development version to 1.9.7
Bump development version to 1.9.7

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