- Moved OpenGL library wrapper into platform

- Finished reorganizing PLANNING.md

planning/MEMORY.md

@@ -5,7 +5,7 @@
 
 <!-- TOC -->
 * [Home](./CONTENTS.md#planning-documentation-for-fennec)
-* [Memory Library (`memory`)](#memory-library-memory)
+* [Memory Library](#memory-library-memory)
   * [Table of Contents](#table-of-contents)
   * [Introduction](#introduction)
   * [Implementation](#implementation)
@@ -15,7 +15,7 @@
 ## Introduction
 
 &ensp; This library contains headers and classes related to memory allocation and  
-management in C++. The contents are restricted to the Memory Management Library of  
+management in C++. The contents include the Memory Management Library of  
 the C++ Standard Library and Template Library. This pulls some functions from the  
 C stdlib and either wraps them or aliases them.