gdk get screen width & height
gdk set_gravity
return ints
add helper gdk.NewColorRGB
add gdk.Colormap
add gtk Widget.GetColormap
Apply @johnbartholomew's patch
start wrapping GtkGLArea and GdkGL
Use go get -x
Go fmt
gdk.AllocColorRGB (which might not work)
add Adjustment.Connect
Add GtkSpell bindings
Point master
Allocate if it's not empty
gtkgl/gtkspell is optional