Remove changes files that are already merged in 0.3.1.6-rc

changes/bug19418

@@ -1,7 +0,0 @@
-  o Minor bugfixes (robustness, error handling):
-    - Improve our handling of the cases where OpenSSL encounters a
-      memory error while encoding keys and certificates. We haven't
-      observed these happening in the wild, but if they do happen,
-      we now detect and respond better. Fixes bug 19418; bugfix
-      on all versions of Tor. Reported by Guido Vranken.
-

changes/bug22159

@@ -1,7 +0,0 @@
-  o Minor bugfixes (hidden service):
-    - A service is allowed to open a maximum number of circuits for a specific
-      period of time. That value was lower than it should be (8 vs 12) in the
-      normal case of 3 introduction points. Fixes bug 22159.; bugfix on
-      tor-0.3.0.5-rc.
-    - Rate limit the log if we ever go above the maximum number of allowed
-      intro circuits. Fixes bug 22159.; bugfix on tor-0.3.1.1-alpha.

changes/bug22286

@@ -1,3 +0,0 @@
-  o Minor features (tests):
-    - Add a couple more tests for compression backend initialization.
-      Closes ticket 22286.

changes/bug22752_simple

@@ -1,6 +0,0 @@
-  o Major bugfixes (windows, directory cache):
-    - On windows, do not try to delete cached consensus documents and
-      diffs, until they unmapped from memory. Allow the diff storage
-      directory to grow larger in order to handle files that might
-      need to stay around longer.  Fixes bug 22752; bugfix on
-      0.3.1.1-alpha.

changes/bug23071

@@ -1,5 +0,0 @@
-  o Minor bugfixes (tests):
-    - Port the hs_ntor handshake test to work correctly with recent
-      versions of the pysha3 module. Fixes bug 23071; bugfix on
-      0.3.1.1-alpha.
-

changes/bug23078

@@ -1,7 +0,0 @@
-  o Minor bugfixes (logging, relay):
-    - Remove a log_warn() that has been forgotten when an introduction point
-      successfully established a hidden service prop224 circuit with a client.
-    - Three other log_warn() for an introduction point have been changed to
-      protocol warning because they can be failure from the network and are
-      not relevant to the operator. Fixes bug 23078; bugfix on
-      tor-0.3.0.1-alpha and tor-0.3.0.2-alpha.

changes/bug23081

@@ -1,8 +0,0 @@
-  o Minor bugfixes (Windows service):
-    - When running as a Windows service, set the ID of the main thread
-      correctly. Failure to do so made us fail to send log messages
-      to the controller in 0.2.1.16-rc, slowed down controller
-      event delivery in 0.2.7.3-rc and later, and crash with an assertion
-      failure in 0.3.1.1-alpha. Fixes bug 23081; bugfix on 0.2.1.6-alpha.
-      Patch and diagnosis from "Vort".
-

changes/bug23139

@@ -1,3 +0,0 @@
-  o Minor bugfixes (directory cache):
-    - Fix a memory leak in the code that recovers space in the consensus
-      directory cache. Fixes bug 23139; bugfix on 0.3.1.1-alpha.

changes/bug23155

@@ -1,4 +0,0 @@
-  o Minor bugfixes (stability):
-    - Avoid crashing on double-free when unable to load or process
-      an included file. Fixes bug 23155; bugfix on 0.3.1.1-alpha.
-      Found with the clang static analyzer.

changes/bug23233

@@ -1,4 +0,0 @@
-  o Minor bugfixes (hidden service):
-    - Fix a BUG alert during HSv3 descriptor decoding that could trigger with a
-      specially crafted descriptor. Fixes bug #23233; bugfix on 0.3.0.1-alpha.
-      Bug found by "haxxpop".

changes/bug23275

@@ -1,5 +0,0 @@
-  o Minor bugfixes (relay):
-    - When a relay is not running as a directory cache, it will no longer
-      generate compressed consensuses and consensus diff information.
-      Previously, this was a waste of disk and CPU.  Fixes bug 23275;
-      bugfix on 0.3.1.1-alpha.

changes/bug23291

@@ -1,3 +0,0 @@
-  o Minor bugfixes (testing):
-    - Fix an undersized buffer in test-memwipe.c. Fixes bug 23291; bugfix on
-      0.2.7.2-alpha. Found and patched by Ties Stuij.

changes/geoip-august2017

@@ -1,4 +0,0 @@
-  o Minor features:
-    - Update geoip and geoip6 to the August 3 2017 Maxmind GeoLite2
-      Country database.
-

changes/ticket22348

@@ -1,5 +0,0 @@
-  o Minor features (directory authority):
-    - Improve the message that authorities report to relays when
-      the RSA/Ed25519 key pair they present conflicts with a previously
-      pinned key. Closes ticket 22348.
-