Merge remote-tracking branch 'origin/crl-support' into crl-support

# Conflicts:
#	api/api_test.go
#	authority/tls.go

db/db.go

@@ -127,6 +127,14 @@ type CertificateRevocationListInfo struct {
 	DER       []byte
 }
 
+// CertificateRevocationListInfo contains a CRL in DER format and associated
+// metadata to allow a decision on whether to regenerate the CRL or not easier
+type CertificateRevocationListInfo struct {
+	Number    int64
+	ExpiresAt time.Time
+	DER       []byte
+}
+
 // IsRevoked returns whether or not a certificate with the given identifier
 // has been revoked.
 // In the case of an X509 Certificate the `id` should be the Serial Number of