Merge branch 'dannenberg_ipv6_029' into maint-0.2.9

changes/ticket26343

+  o Minor features (directory authority):
+    - Add an IPv6 address for the "dannenberg" directory
+      authority. Closes ticket 26343.

src/or/auth_dirs.inc

@@ -16,6 +16,7 @@
   "131.188.40.189:80 F204 4413 DAC2 E02E 3D6B CF47 35A1 9BCA 1DE9 7281",
 "dannenberg orport=443 "
   "v3ident=0232AF901C31A04EE9848595AF9BB7620D4C5B2E "
+  "ipv6=[2001:678:558:1000::244]:443 "
   "193.23.244.244:80 7BE6 83E6 5D48 1413 21C5 ED92 F075 C553 64AC 7123",
 "maatuska orport=80 "
   "v3ident=49015F787433103580E3B66A1707A00E60F2D15B "