Display example names in 2 columns
Display example names in 2 columns

- ported from ba286797752851e4d4426661fffda2f12feb7920

DavidAlphaFox/netty,chanakaudaya/netty,purplefox/netty-4.0.2.8-hacked,yipen9/netty,imangry/netty-zh,DavidAlphaFox/netty,purplefox/netty-4.0.2.8-hacked,imangry/netty-zh,imangry/netty-zh,chanakaudaya/netty,purplefox/netty-4.0.2.8-hacked,yipen9/netty,purplefox/netty-4.0.2.8-hacked,yipen9/netty,chanakaudaya/netty,DavidAlphaFox/netty,chanakaudaya/netty,yipen9/netty,chanakaudaya/netty,imangry/netty-zh,DavidAlphaFox/netty,imangry/netty-zh