Minor infrastructure changes, to simplify an upcoming check in:

- print out block member types when printing a block (makes all test results change)
 - const versions of all intermediate.h type-identification methods
 - layoutSlotLocation -> layoutLocation

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24664 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/baseResults/versionsErrors.vert.out

@@ -12,7 +12,7 @@ ERROR: node is still EOpNull!
 0:44    Sequence
 0:44      move second child to first child (4-component vector of float)
 0:44        gl_Position: direct index for structure (gl_Position 4-component vector of float)
-0:44          '__anon__1' (out block{gl_Position,gl_PointSize,gl_ClipDistance,gl_ClipVertex,gl_FrontColor,gl_BackColor,gl_FrontSecondaryColor,gl_BackSecondaryColor,gl_TexCoord,gl_FogFragCoord})
+0:44          '__anon__1' (out block{gl_Position 4-component vector of float gl_Position, gl_PointSize float gl_PointSize, unsized array of float gl_ClipDistance, gl_ClipVertex 4-component vector of float gl_ClipVertex, 4-component vector of float gl_FrontColor, 4-component vector of float gl_BackColor, 4-component vector of float gl_FrontSecondaryColor, 4-component vector of float gl_BackSecondaryColor, unsized array of 4-component vector of float gl_TexCoord, float gl_FogFragCoord})
 0:44          Constant:
 0:44            0 (const uint)
 0:44        Construct vec4 (4-component vector of float)