Squashed commit of the following:

commit b9181ae92541d11119bedd766773ddb01f0bb486
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Tue Sep 9 09:34:40 2014 -0700

    Compiles luasocket on Mac

commit 91fc79aa2101867fedfbcd7d846e9508009894e6
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Tue Sep 9 09:12:30 2014 -0700

    disables luasockets

commit 31f2ee462708ab7b604b9399eaabd275e2da9e02
Merge: 19099fd 0abe4cb
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Tue Sep 9 08:10:48 2014 -0700

    Merge remote-tracking branch 'cocos2d/v3' into cmakefile_mac_osx

    Conflicts:
    	cocos/3d/cocos3d.h

commit 19099fd021b4ecf1f2eebd73ea14e84572d1ee33
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 23:21:03 2014 -0700

    compiles on Linux

commit eec7b92817ac9208123468bb882612aad89f94bf
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 23:16:46 2014 -0700

    all projecs compiles with CMake

commit 40fcc8325b409a580fdbf26d2ee27aa2d1db0109
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 21:47:27 2014 -0700

    CCUserDefualt.mm better includes

commit 30709ec8243562858498cb118240bb45bf9b33b0
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 21:26:36 2014 -0700

    cpp-tests compiles and works on Mac using CMake

commit 67f0fc8df887d08d3d7a27c5fdadd335d6841676
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 20:12:09 2014 -0700

    Adds missing files to CMakeLists.txt

commit 36f939ea7f157ca851aee138300c13d9888c0078
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 19:52:34 2014 -0700

    Adds more box2d missing files

commit 00f81e3b5ec97150974cc6022e86c394ff488ccb
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 19:39:54 2014 -0700

    Adds missing box2d files

commit 9673227b4d7d0e6d9eced49bdd69b98cb519968a
Author: Ricardo Quesada <ricardoquesada@gmail.com>
Date:   Mon Sep 8 18:44:15 2014 -0700

    Initial CMake support for Mac
It is needed for lua-binding.
In lua-binding, 3d is a separate module.