prepare changelog for 0.2.1.16-rc

ChangeLog

-Changes in version 0.2.1.16-?? - 2009-??-??
+Changes in version 0.2.1.16-rc - 2009-06-19
   o Security fixes:
     - Fix an edge case where a malicious exit relay could convince a
       controller that the client's DNS question resolves to an internal IP
@@ -6,29 +6,26 @@ Changes in version 0.2.1.16-?? - 2009-??-??
 
   o Major performance improvements (on 0.2.0.x):
     - Disable and refactor some debugging checks that forced a linear scan
-      over the whole server-side DNS cache.  These accounted for over 50%
-      of CPU time on a relatively busy exit node's gprof profile. Found by
-      Jacob.
+      over the whole server-side DNS cache. These accounted for over 50%
+      of CPU time on a relatively busy exit node's gprof profile. Found
+      by Jacob.
     - Disable some debugging checks that appeared in exit node profile
       data.
 
   o Minor features:
     - Update to the "June 3 2009" ip-to-country file.
     - Do not have tor-resolve automatically refuse all .onion addresses;
-      if AutomapHostsOnResolve is set, this will work fine.
+      if AutomapHostsOnResolve is set in your torrc, this will work fine.
 
   o Minor bugfixes (on 0.2.0.x):
     - Log correct error messages for DNS-related network errors on
       Windows.
-    - Don't warn users about low port and hibernation mix when they
-      provide a *ListenAddress directive to fix that. Bugfix on
-      0.2.1.15-rc.
-    - Fix a race condition that could cause crashes or memory
-      corruption when running as a server with a controller listening
-      for log messages.
+    - Fix a race condition that could cause crashes or memory corruption
+      when running as a server with a controller listening for log
+      messages.
     - Avoid crashing when we have a policy specified in a DirPolicy or
-      SocksPolicy or ReachableAddresses option with ports set on it, and we
-      re-load the policy.  May fix bug 996.
+      SocksPolicy or ReachableAddresses option with ports set on it,
+      and we re-load the policy. May fix bug 996.
     - Hidden service clients didn't use a cached service descriptor that
       was older than 15 minutes, but wouldn't fetch a new one either,
       because there was already one in the cache. Now, fetch a v2
@@ -36,10 +33,13 @@ Changes in version 0.2.1.16-?? - 2009-??-??
       the last 15 minutes. Fixes bug 997; reported by Marcus Griep.
 
   o Minor bugfixes (on 0.2.1.x):
+    - Don't warn users about low port and hibernation mix when they
+      provide a *ListenAddress directive to fix that. Bugfix on
+      0.2.1.15-rc.
     - When switching back and forth between bridge mode, do not start
       gathering GeoIP data until two hours have passed.
     - Do not complain that the user has requested an excluded node as
-      an exit when the node is not really an exit.  This could happen
+      an exit when the node is not really an exit. This could happen
       because the circuit was for testing, or an introduction point.
       Fix for bug 984.