Setup DNS entries for storm.torproject.org

We'll need the following DNS entries:

Zone file additions for torproject.org:

; torproject.org
@		300	MX	1	storm.torproject.org.
storm		300	TXT	"v=spf1 include:spf.mandrillapp.com ?all"
@		300	A	106.187.101.184
storm		300	A	106.187.101.184
storm		300	AAAA	2400:8900::f03c:91ff:fe37:4662

and the slave zone:

; storm.torproject.org
*		300	TXT	"v=spf1 include:spf.mandrillapp.com ?all"
mandrill._domainkey		300	TXT	"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;"
@		300	A	106.187.101.184
*		300	A	106.187.101.184

Please accept my sincerest apologies for asking for a wildcard DNS entry.

We will be able to remove the mandrill-related entries once the Sandstorm machine has been relocated to a TPO-controlled VM with a real Postfix server. For now, I'm lazy and I hate Postfix.