Update cogl.symbols
Update cogl.symbols

-For the snippets APIs.
-For the introduction of the cogl_matrix_orthographic(_EXP) API.
-Also for the new attribute and framebuffer APIs

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