Make new changes files pass lintchanges

changes/20460

-  o Minor bugfixes (testing)
+  o Minor bugfixes (testing):
     - Use ECDHE ciphers instead of ECDH in tortls tests. LibreSSL has
       removed the ECDH ciphers which caused the tests to fail on
-      platforms which use it. Closes ticket 20460.
+      platforms which use it. Fixes bug 20460; bugfix on 0.2.8.1-alpha.

changes/bug20587

-
   o Minor bugfixes (download timing):
     - When determining when to download a directory object, handle times
       after 2038 if the operating system supports that.  (Someday this will be

changes/bug20588

-  o Minor bugfixes (portability):
+  o Minor features (portability):
     - Fix compilation with OpenSSL 1.1 and less commonly-used
       CPU architectures. Closes ticket 20588.

changes/geoip-november2016

-  o Minor features:
+  o Minor features (ge0oip):
     - Update geoip and geoip6 to the November 3 2016 Maxmind GeoLite2
       Country database.