moved maps.js to /old

Signed-off-by: Travis Hairfield <twh116@gmail.com>
Added Zombie2 and level3

Signed-off-by: Travis Hairfield <twh116@gmail.com>
Merge branch 'staging' of https://github.com/weizjeidy/ZeroDarkZombie into staging
Merge branch 'staging' of https://github.com/weizjeidy/ZeroDarkZombie into staging