Add support for auto-incrementing serial numbers to scripts/make-cert.
Add support for auto-incrementing serial numbers to scripts/make-cert.

rgooch/Dominator,Symantec/Dominator,rgooch/Dominator,Symantec/Dominator,keep94/Dominator,keep94/Dominator,rgooch/Dominator,keep94/Dominator,Symantec/Dominator