use leveldown github repo for devDep for now
use leveldown github repo for devDep for now

calvinmetcalf/SQLdown,calvinmetcalf/SQLdown,bryce-gibson/SQLdown,bigeasy/abstract-leveldown,Level/abstract-leveldown,bryce-gibson/SQLdown,shimonenator/couchbasedown,snowyu/node-abstract-nosql,watson/abstract-leveldown,ralphtheninja/abstract-leveldown,ralphtheninja/abstract-leveldown