Remapping Menu and home button?

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http://forum.xda-developers.com – I am trying to remap the menu button to pull up the recent app and long press from menu. Then have long press of the home button pull up Google now. I am able to easily do this with CM, but I want to have this feature and run AOKP. Did some searching on this. I know you can got to the file in system/usr/keylayout/sec_touchkey.kl and edit the remapping of the keys. The closest I could get was changing key 139 to "App_switch" but this brings up the old gingerbread app switcher and not the multi task menu. If someone could lead me in the right direction that would be great. (HowTos)