Add ES 3.0 fragment output link-time test for outputs having or not having location qualifiers.

Also split linker validation into its own file, removed dead "QualifierAlive" files, printed errors for parsing problems with built-in symbols,  updated the Windows binary, and added some tests.


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23490 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/300link.frag

@@ -0,0 +1,8 @@
+#version 300 es
+
+precision highp float;
+
+out vec4 color1;
+out vec4 color2;
+
+void main() {}