Start work on the changelog for 0.2.5.4-alpha

This commit does nothing other than pull the changes/* files into
ChangeLog, sorted by declared type.  I haven't comined any entries or
vetted anything yet.

changes/bug10081

@@ -1,5 +0,0 @@
-  o Minor features:
-    - When reporting a failure from make_socket_reuseable(), don't
-      report a warning when we get a failure from an incoming socket
-      on OSX. Fix for bug 10081.
-

changes/bug10363

@@ -1,12 +0,0 @@
-  o Major bugfixes:
-    - Fix two instances of possible undefined behavior in channeltls.c
-      that could, under unlucky circumstances, have led to a pointer
-      overflow. Fixes bug #10363; bugfixes on 0.2.0.10-alpha and
-      0.2.3.6-alpha. Reported by "bobnomnom".
-    - Fix another possibly undefined pointer operations in tor_memmem
-      fallback implementation. Another case of bug #10363; bugfix on
-      0.1.1.1-alpha.
-    - Fix another possibly undefined pointer operations in the eventdns
-      fallback implementation. Another case of bug #10363; bugfix on
-      0.1.2.1-alpha.
-

changes/bug10468

@@ -1,4 +0,0 @@
-  o Minor bugfixes:
-    - When using DNSPort and AutomapHostsOnResolve, respond to AAAA
-      requests with AAAA automapped answers. Fixes bug 10468; bugfix
-      on 0.2.4.7-alpha.

changes/bug10801

@@ -1,4 +0,0 @@
-  o Minor bugfixes:
-    - Stop accepting bridge lines containing hostnames. Doing so allowed
-      clients to perform DNS requests on the hostnames, which was not
-      sensible behavior. Fixes bug 10801; bugfix on 0.2.0.1-alpha.

changes/bug11061

@@ -1,3 +0,0 @@
-  o Documentation fixes:
-    - Fix the layout of the SOCKSPort flags in the manpage. Fixes bug
-      11061; bugfix on 0.2.4.7-alpha.

changes/bug11070

@@ -1,4 +0,0 @@
-  o Removed code:
-    - Remove all code for the long unused v1 directory protocol. Resolves
-      ticket 11070.
-

changes/bug11232

@@ -1,4 +0,0 @@
-  o Minor bugfixes:
-    - Use AddressSanitizer and Ubsan sanitizers (in clang-3.4) to fix some
-      miscellaneous errors in our tests and codebase. Fix for bug 11232.
-      Bugfixes on versions back as far as 0.2.1.11-alpha.

changes/bug11275

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Fix a minor memory leak that occurred when signing a directory
-      object. Fixes bug 11275; bugfix on 0.2.4.13-alpha.

changes/bug11276

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Don't re-initialize a second set of openssl mutexes when starting
-      up. Fixes bug 11726; bugfix on 0.2.5.3-alpha.

changes/bug11278

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Free placeholder entries in our circuit table at exit; fixes
-      a harmless memory leak. Fixes bug 11278; bugfix on 0.2.5.1-alpha.

changes/bug11279

@@ -1,3 +0,0 @@
-  o Minor features:
-    - Warn less verbosely when receiving a misformed ESTABLISH_RENDEZVOUS
-      cell. Fixes ticket 11279.

changes/bug11296

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Allow tor-fw-helper to build again by adding src/ext to its
-      CPPFLAGS. Fixes bug 11296; bugfix on 0.2.5.3-alpha.

changes/bug11321

@@ -1,5 +0,0 @@
-  o Minor bugfixes (build):
-    - Build the torify.1 manpage again. Previously, we were only
-      trying to build it when also building tor-fw-helper. That's why
-      we didn't notice that we'd broken the ability to build it.
-      Fixes bug 11321; bugfix on 0.2.5.1-alpha.

changes/bug11342

@@ -1,4 +0,0 @@
-  o Minor bugfixes:
-    - When dumping a malformed directory object to disk, save it in binary
-      mode on windows, not text mode. Fixes bug 11342; bugfix on
-      0.2.2.1-alpha.

changes/bug11426

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Fix compilation on Solaris, which does not have <endian.h>.
-      Fixes bug 11426; bugfix on 0.2.5.3-alpha.

changes/bug11437

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Stop leaking memory when we successfully resolve a PTR record.
-      Fixes bug 11437; bugfix on 0.2.4.7-alpha.

changes/bug2454

@@ -1,6 +0,0 @@
-  o Enhancement:
-    - If a circuit timed out for at least 3 minutes check if we have a new
-      external IP address the next time we run our routine checks. If our
-      IP address has changed, then publish a new descriptor with the new
-      IP address. Resolves ticket 2454.
-

changes/bug4241

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Only retry attempts to connect to a chosen rendezvous point 8 times,
-      not 30. Fixes bug #4241; bugfix on 0.1.0.1-rc.

changes/bug7164_diagnose_harder

@@ -1,6 +0,0 @@
-  o Minor features:
-    - Try harder to diagnose a possible cause of bug 7164, which causes
-      intermittent "microdesc_free() called but md was still referenced"
-      warnings. We now log more information about the likely error case,
-      to try to figure out why we might be cleaning a microdescriptor
-      as old if it's still referenced by a live node.

changes/bug8787

@@ -1,5 +0,0 @@
-  o Minor features:
-    - Always check return values for unlink, munmap, UnmapViewOfFile;
-      check strftime return values more often. In some cases all we
-      can do is report a warning, but this may help prevent deeper
-      bugs from going unnoticed. Closes ticket 8787.

changes/bug9107

@@ -1,3 +0,0 @@
- o Code simplifications and refactoring: 
-   - Remove unused function circuit_dump_by_chan from circuitlist.c. Closes
-     issue #9107; patch from "marek".

changes/bug9213_doc

@@ -1,5 +0,0 @@
-  o Documentation:
-    - Correctly document that we search for a system torrc file before
-      looking in ~/.torrc. Fixes documentation side of 9213; bugfix
-      on 0.2.3.18-rc.
-

changes/bug9650

@@ -1,4 +0,0 @@
-  o Minor bugfixes:
-    - Avoid potential crashes or bad behavior when launching a
-      server-side managed proxy with ORPort or ExtORPort temporarily
-      disabled. Fixes bug 9650; bugfix on 0.2.3.16-alpha.

changes/bug9665

@@ -1,4 +0,0 @@
-  o Minor features:
-    - Report a failure to connect to a bridge because its transport
-      type has no configured pluggable transport as a new type of bootstrap
-      failure. Resolves ticket 9665. Patch from Fábio J. Bertinatto.

changes/bug9841

@@ -1,7 +0,0 @@
-  o Minor features (performance):
-
-    - Faster server-side lookups of rendezvous and introduction point
-      circuits by using hashtables instead of linear searches over all
-      the circuits. These functions previously accounted between 3 and
-      7% of CPU usage on some busy relays.
-

changes/bug9870

@@ -1,5 +0,0 @@
-  o Minor bugfixes:
-
-    - Log only one message when we start logging in an unsafe
-      way. Previously, we would log as many messages as we had
-      problems. Fix for #9870; bugfix on 0.2.5.1-alpha.

changes/cov-leaks

@@ -1,6 +0,0 @@
-  o Minor bugfixes:
-    - Resolve some memory leaks found by coverity in the unit tests,
-      on exit in tor-gencert, and on a failure to compute digests
-      for our own keys when generating a v3 networkstatus vote.
-      These leaks should never have affected anyone in practice.
-

changes/doxygen_fixes

@@ -1,6 +0,0 @@
-  o Documentation:
-    - Resolve warnings from Doxygen.
-
-  o Code simplification and refactoring:
-    - Change our use of the ENUM_BF macro to avoid declarations that
-      confuse Doxygen.

changes/require_023

@@ -1,6 +0,0 @@
-  o Deprecated versions:
-    - Tor 0.2.2.x is no longer supported, and has not been for a while.
-      Directory authorities no longer accept descriptors from
-      Tor relays running any version of Tor prior to Tor 0.2.3.16-alpha.
-      Resolves ticket 11149.
-

changes/ticket4645

@@ -1,3 +0,0 @@
-  o Code simplifications and refactoring:
-    - Removing is_internal_IP() function. Resolves ticket 4645.
-

changes/ticket7952

@@ -1,4 +0,0 @@
-  o Minor features (controller):
-    - Make the entire exit policy available from the control port via
-      GETINFO exit-policy/*. Implements enhancement #7952. Patch from
-      "rl1987".