Merge branch 'maint-0.2.7' into maint-0.2.8

diff --cc src/or/config.c
index 0850013d3381f6b03cf4548668fa18a55d1fc713,0f36738ad6fad33cead31136e90808f03c6998bf..908f098ce7e583132da5be6f8e9a90e8d21c1d75
--- 1/src/or/config.c
--- 2/src/or/config.c
+++ b/src/or/config.c
@@@ -919,14 -877,8 +919,9 @@@ static const char *default_authorities[
    "dannenberg orport=443 "
      "v3ident=0232AF901C31A04EE9848595AF9BB7620D4C5B2E "
      "193.23.244.244:80 7BE6 83E6 5D48 1413 21C5 ED92 F075 C553 64AC 7123",
-   "urras orport=80 "
-     "v3ident=80550987E1D626E3EBA5E5E75A458DE0626D088C "
-     "208.83.223.34:443 0AD3 FA88 4D18 F89E EA2D 89C0 1937 9E0E 7FD9 4417"
-     /* XX/teor - urras may have an IPv6 address, but it's not in urras'
-      * descriptor as of 11 Dec 2015. See #17813. */,
    "maatuska orport=80 "
      "v3ident=49015F787433103580E3B66A1707A00E60F2D15B "
 +    "ipv6=[2001:67c:289c::9]:80 "
      "171.25.193.9:443 BD6A 8292 55CB 08E6 6FBE 7D37 4836 3586 E46B 3810",
    "Faravahar orport=443 "
      "v3ident=EFCBE720AB3A82B99F9E953CD5BF50F7EEFC7B97 "