Update project for Defold 1.8.0

Author: aglitchman

example/webgl_memory.gui

@@ -1,7 +1,7 @@
 script: "/example/webgl_memory.gui_script"
 fonts {
-  name: "system_font"
-  font: "/builtins/fonts/system_font.font"
+  name: "default"
+  font: "/builtins/fonts/default.font"
 }
 background_color {
   x: 0.0
@@ -43,7 +43,7 @@ nodes {
   type: TYPE_TEXT
   blend_mode: BLEND_MODE_ALPHA
   text: "<text>"
-  font: "system_font"
+  font: "default"
   id: "text"
   xanchor: XANCHOR_LEFT
   yanchor: YANCHOR_BOTTOM

webgl_memory/lib/web/lib_webgl_memory.js

@@ -4,7 +4,7 @@ var LibraryWebGLMemory = {
 
         cstringify: function (obj) {
             var str = JSON.stringify(obj);
-            var cstr = allocate(intArrayFromString(str), "i8", ALLOC_NORMAL);
+            var cstr = stringToNewUTF8(str);
             return cstr;
         },