renderVertexConstCol uses now MVP matrix

Change-Id: I6f145984596c8d1b739a7dd561d1bffb35bb2957
added licence statement, vim modeline

Change-Id: Ibc9dd608b9b49df17a13513f2c0b2ed2076b4b6c
feed glDrawArrays with right vertexcount

Change-Id: I8aa835cc1b2f0f41d5c1051ae2a005928d625746
cleanup oglContext

use a scopedpointer to avoid undelet oglContext Childwindow.

Change-Id: I850346ce3d9649038d678e37cf75ead72c4c6c7e
remove glMatrixStack from ogl_canvas

Change-Id: I00fc5ab54fea444d03e5050e0c80b51180028ee4
renderComplexPolyPolygon -> openGl 2.1

Change-Id: If173ab655526c86069ce770a725faa54f6856b31
use const refs and vectors instead of arrays

Change-Id: Ie853e719528ef7f6f72935c8749a5cb8e97c3153
compute gl_position in one line instead of two

Change-Id: Id250c0092d533bf23de867ef7dfc51666fa4c1fd