bullet: Streamline bundling, remove extraneous src/ folder

Document version and how to extract sources in thirdparty/README.md.
Drop unnecessary CMake and Premake files.
Simplify SCsub, drop unused one.

thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3Common.h

@@ -0,0 +1,39 @@
+/*
+bParse
+Copyright (c) 2006-2009 Charlie C & Erwin Coumans  http://gamekit.googlecode.com
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef __BCOMMON_H__
+#define __BCOMMON_H__
+
+
+#include <assert.h>
+//#include "bLog.h"
+#include "Bullet3Common/b3AlignedObjectArray.h"
+#include "Bullet3Common/b3HashMap.h"
+
+namespace bParse {
+
+	class bMain;
+	class bFileData;
+	class bFile;
+	class bDNA;
+
+	// delete void* undefined
+	typedef struct bStructHandle {int unused;}bStructHandle;
+	typedef b3AlignedObjectArray<bStructHandle*>	bListBasePtr;
+	typedef b3HashMap<b3HashPtr, bStructHandle*> bPtrMap;
+}
+
+
+#endif//__BCOMMON_H__