Add geometry-shader stream, invocations, max_vertices, lines, triangles, etc. layout qualifiers, and their default/inheritance behaviors, and some other misc. geometry shader features.  (Geometry shaders are not yet done though.)


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23679 e7fa87d3-cd2b-0410-9028-fcbf551c1848