merge quickbundle 4.0 README.md
merge quickbundle 4.0 README.md

longsebo/javasec,quickbundle/javasec,quickbundle/javasec,longsebo/javasec,longsebo/javasec,quickbundle/javasec,quickbundle/javasec,longsebo/javasec,longsebo/javasec,quickbundle/javasec