A first skeleton for introducing Harmony proxies

src/runtime.js

Index: src/runtime.js
===================================================================
--- src/runtime.js	(revision 7800)
+++ src/runtime.js	(working copy)
@@ -644,6 +644,6 @@
 // NOTE: Setting the prototype for Array must take place as early as
 // possible due to code generation for array literals.  When
 // generating code for a array literal a boilerplate array is created
-// that is cloned when running the code.  It is essiential that the
+// that is cloned when running the code.  It is essential that the
 // boilerplate gets the right prototype.
 %FunctionSetPrototype($Array, new $Array(0));