Examples: Moved NodeMaterial examples to nodes subsection.

examples/files.js

@@ -145,7 +145,6 @@ var files = {
 		"webgl_materials_cars",
 		"webgl_materials_channels",
 		"webgl_materials_clearcoat_normalmap",
-		"webgl_materials_compile",
 		"webgl_materials_cubemap",
 		"webgl_materials_cubemap_balls_reflection",
 		"webgl_materials_cubemap_balls_refraction",
@@ -247,6 +246,7 @@ var files = {
 	],
 	"webgl / nodes": [
 		"webgl_loader_nodes",
+		"webgl_materials_compile",
 		"webgl_materials_envmaps_hdr_nodes",
 		"webgl_materials_envmaps_pmrem_nodes",
 		"webgl_materials_nodes",