Add 5% discount line
Add 5% discount line

We're offering 5% discount if we get payments by March 16th so we should
let people know about that

Signed-off-by: Chris Mills <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@christophermills.co.uk>

gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web