Properly set the key length

I was setting the key length to 2048  but this was being taken in
as a value for -rand, and the key length was being set to 512 (the default)

Change-Id: Ib4559fe27051429275f8dd03f34a506d31a7f420
Only print warning about cert if it was generated

Change-Id: I1234072ac79dc4da58f24fb9fa2985df46072986
Reword EPEL message

Change-Id: I5ddafeac90fb9861ec996ac9fc0066230db04ded
Merge "Only print warning about cert if it was generated"
Merge "Properly set the key length"