Fix most lintChanges warnings

(Also remove changes/bug19530 since it was a bugfix on no released
version)

changes/assert_nonfatal

@@ -1,5 +1,4 @@
   o Minor features (safety, debugging):
-
-    * Add a set of macros to check nonfatal assertions, for internal
+    - Add a set of macros to check nonfatal assertions, for internal
       use. Migrating more of our checks to these should help us avoid
       needless crash bugs. Closes ticket 18613.

changes/bug14334

@@ -1,4 +1,4 @@
   o Minor bugfixes (guards):
     - Don't mark guards as unreachable if connection_connect() fails. That
       function fails for local reasons, so it shouldn't reveal anything about
-      the status of the guard. Fixes bug #14334; bugfix on 0.2.3.10-alpha.
+      the status of the guard. Fixes bug 14334; bugfix on 0.2.3.10-alpha.

changes/bug15942

@@ -1,3 +1,3 @@
-  o Bugfixes (downloading):
+  o Minor features (downloading):
     - Use random exponential backoffs when retrying downloads from the dir
-      servers. Fixes bug 15942; bugfix on ?????.
+      servers. Closes ticket 15942.

changes/bug16943

@@ -5,4 +5,4 @@
       global randomness will be used by hidden services to select their
       responsible HSDirs. This release only implements the directory authority
       feature; the hidden service side will be implemented in the future as
-      part of proposal 224 . Resolves ticket #16943 and proposal 250.
+      part of proposal 224 . Resolves ticket 16943; implements proposal 250.

changes/bug17688

@@ -1,3 +1,3 @@
   o Minor bugfixes (guard selection):
     - Use a single entry guard even if the NumEntryGuards consensus parameter
-      is not provided. Fixes bug #17688.
+      is not provided. Fixes bug 17688.

changes/bug17983

@@ -1,4 +1,4 @@
-  o Minor features (bug-finding):
+  o Major features (build, hardening):
     - Tor now builds with -ftrapv by default on compilers that support it.
       This option detects signed integer overflow, and turns it into a
       hard-failure.  We do not apply this option to code that needs to run

changes/bug18604

@@ -1,4 +1,4 @@
-  o Minor bugfixes (ephemeral hidden service)
+  o Minor bugfixes (ephemeral hidden service):
     - When deleting an ephemeral hidden service, close its intro points even
-      if not in the open state. Resolves ticket #18604; bugfix on
-      tor-0.2.7.1-alpha.
+      if not in the open state. Fixes bug 18604; bugfix on
+      0.2.7.1-alpha.

changes/bug18704

@@ -1,5 +1,5 @@
-  o Major bugfixes (hidden service client)
+  o Major bugfixes (hidden service client):
     - With FetchHidServDescriptors set to 0, there is no descriptor fetch
       (which is intended) but also no descriptor cache lookup was done
-      making any Tor client not working with this option unset. Resolves
-      ticket #18704. Patch by "twim"; Bugfix on tor-0.2.0.20-rc.
+      making any Tor client not working with this option unset. Fixes
+      bug 18704; bugfix on 0.2.0.20-rc. Patch by "twim".

changes/bug18840

@@ -1,4 +1,4 @@
-  o Minor bugfixes:
+  o Minor bugfixes (directory authority):
     - Authorities now sort the "package" lines in their votes, for ease
       of debugging. (They are already sorted in the consensus documents.)
       Fixes bug 18840; bugfix on 0.2.6.3-alpha.

changes/bug18963

@@ -1,5 +1,5 @@
-  o Minor bugfix (bootstrap):
+  o Minor bugfixes (bootstrap):
     - Remember the directory we fetched the consensus or previous
       certificates from, and use it to fetch future authority
       certificates.
-      Resolves ticket 18963; fix on #4483 in 0.2.8.1-alpha.
+      Fixes bug 18963; bugfix on 0.2.8.1-alpha.

changes/bug19066

@@ -2,4 +2,4 @@
     - When parsing detached signature, make sure we use the length of the
       digest algorithm instead of an hardcoded DIGEST256_LEN in order to
       avoid comparing bytes out of bound with a smaller digest length such
-      as SHA1. Fixes #19066; bugfix on tor-0.2.2.6-alpha.
+      as SHA1. Fixes bug 19066; bugfix on 0.2.2.6-alpha.

changes/bug19153

@@ -1,3 +1,3 @@
   o Documentation:
     - Fix spelling of "--enable-tor2web-mode" in the manpage. Closes
-      ticket #19153. Patch from "U+039b".
+      ticket 19153. Patch from "U+039b".

changes/bug19216

@@ -1,4 +1,4 @@
-  o Minor bugfixes:
+  o Minor bugfixes (compilation):
     - When building with Clang, include our full array of GCC warnings.
       (Previously, we included only a subset, because of the way we
       detected them.) Fixes bug 19216; bugfix on 0.2.0.1-alpha.

changes/bug19421

@@ -1,4 +1,4 @@
   o Minor bugfixes (testing):
     - Fix the test-network-all target on out-of-tree builds by using the
-      correct path to the test driver script. Fixes bug #19421; bugfix on
+      correct path to the test driver script. Fixes bug 19421; bugfix on
       0.2.7.3-rc.

changes/bug19428

@@ -1,5 +1,5 @@
-  - Minor bugfixes (timing):
-    o When computing the difference between two times in milliseconds,
+  o Minor bugfixes (timing):
+    - When computing the difference between two times in milliseconds,
       we now round to the nearest millisecond correctly. Previously,
       we could sometimes round in the wrong direction. Fixes bug 19428;
       bugfix on 0.2.2.2-alpha.

changes/bug19483

@@ -1,3 +1,3 @@
-  o Minor fixes (time):
+  o Minor bugfixes (time):
     - Improve overflow checks in tv_udiff and tv_mdiff.
       Fixes bug 19483, present in all tor versions.

changes/bug19530

@@ -1,6 +0,0 @@
-  o Minor bugfixes (directory downloads):
-    - Hex-encode a relay identity fingerprint before printing it.
-    - When downloading authority certificates, re-download from
-      the last successful bridge before retrying a random bridge.
-      Fixes bug 19530; bugfix on #18963, not in any released version
-      of tor.

changes/bug19554

@@ -1,4 +1,4 @@
-  o Dependency changes (Libevent)
+  o New system requirements:
     - Tor requires Libevent version 2.0.10-stable or later now.
       Implements ticket 19554.
 

changes/bug19702

@@ -1,3 +1,3 @@
   o Minor bugfixes (test networks):
     - Allow clients to retry HSDirs much faster in test networks.
-      Fixes bug #19702; bugfix on 0.2.7.1-alpha. Patch by teor.
+      Fixes bug 19702; bugfix on 0.2.7.1-alpha. Patch by teor.

changes/feature18624

@@ -1,4 +1,4 @@
-  o Minor features:
+  o Minor features (directory authority):
     - Directory authorities now only give the Guard flag to a relay if
       they are also giving it the Stable flag. This change allows us to
       simplify path selection for clients, and it should have minimal

changes/feature18760

@@ -1,4 +1,4 @@
-  o Minor features:
+  o Minor features (relay, usability):
     - When the directory authorities refuse a bad relay's descriptor,
       encourage the relay operator to contact us. Many relay operators
       won't notice this line in their logs, but it's a win if even a

changes/feature18998

@@ -1,4 +1,4 @@
-  o Minor features:
+  o Minor features (hidden service):
     - Stop being so strict about the payload length of "rendezvous1"
       cells. We used to be locked in to the "tap" handshake length,
       and now we can handle better handshakes like "ntor". Resolves

changes/feature19036

@@ -1,4 +1,4 @@
-  o Minor features:
+  o Minor features (directory authority):
     - Make directory authorities write the v3-status-votes file out
       to disk earlier in the consensus process, so we have the votes
       even if we abort the consensus process below. Resolves ticket 19036.

changes/feature19116

@@ -1,4 +1,4 @@
-  o Minor features:
+  o Minor features (testing):
     - Move the test-network.sh script to chutney, and modify tor's
       test-network.sh to call the (newer) chutney version when available.
       Resolves ticket 19116. Patch by teor.

changes/lcov_excl

@@ -2,6 +2,6 @@
     - Use the lcov convention for marking lines as unreachable, so that
       we don't count them when we're generating test coverage data.
       Update our coverage tools to understand this convention.
-      Closes ticket #16792.
+      Closes ticket 16792.
 
 

changes/ticket18462

@@ -1,3 +1,3 @@
   o Code simplification and refactoring:
     - Rename tor_dup_addr() to tor_addr_to_str_dup() to avoid confusion.
-      Closes ticket #18462; patch from "icanhasaccount".
+      Closes ticket 18462; patch from "icanhasaccount".

changes/ticket19323

@@ -1,3 +1,3 @@
-  o Control port:
+  o Minor features (control port):
     - Implement new GETINFO queries for all downloads using download_status_t
-      to schedule retries.  Closes ticket #19323.
+      to schedule retries.  Closes ticket 19323.

changes/timeouts

@@ -3,5 +3,5 @@
       support tens or hundreds of thousands of concurrent timers, as will be
       needed for some of our planned anti-traffic-analysis work. This code
       is based on William Ahern's "timeout.c" project, which implements
-      a "tickless hierarchical timing wheel". Closes ticket #18365.
+      a "tickless hierarchical timing wheel". Closes ticket 18365.