Fix paramiko link in the README file
Fix paramiko link in the README file

Change-Id: Ib7875046cdfd900f710209eab33e67db4c0a6799

benjiii/pygerrit,morucci/pygerrit,markon/pygerrit2,gferon/pygerrit2,sonyxperiadev/pygerrit,dpursehouse/pygerrit2,dpursehouse/pygerrit