Merge branch 'maint-0.4.0' into release-0.4.0

changes/bug12399

@@ -0,0 +1,3 @@
+  o Minor bugfixes (logging):
+    - Change log level of message "Hash of session info was not as expected"
+      to LOG_PROTOCOL_WARN. Fixes bug 12399; bugfix on 0.1.1.10-alpha.

changes/bug23507

@@ -0,0 +1,5 @@
+  o Minor bugfixes (v3 single onion services):
+    - Make v3 single onion services fall back to a 3-hop intro, when there
+      all intro points are unreachable via a 1-hop path. Previously, v3
+      single onion services failed when all intro nodes were unreachable
+      via a 1-hop path. Fixes bug 23507; bugfix on 0.3.2.1-alpha.

changes/bug23818_v2

@@ -0,0 +1,6 @@
+  o Minor bugfixes (v2 single onion services):
+    - Always retry v2 single onion service intro and rend circuits with a
+      3-hop path. Previously, v2 single onion services used a 3-hop path
+      when rend circuits were retried after a remote or delayed failure,
+      but a 1-hop path for immediate retries. Fixes bug 23818;
+      bugfix on 0.2.9.3-alpha.

changes/bug23818_v3

@@ -0,0 +1,6 @@
+  o Minor bugfixes (v3 single onion services):
+    - Always retry v3 single onion service intro and rend circuits with a
+      3-hop path. Previously, v3 single onion services used a 3-hop path
+      when rend circuits were retried after a remote or delayed failure,
+      but a 1-hop path for immediate retries. Fixes bug 23818;
+      bugfix on 0.3.2.1-alpha.

changes/ticket31372_appveyor

@@ -0,0 +1,4 @@
+  o Minor features (continuous integration):
+    - When building on Appveyor, pass the "-k" flag to make, so that
+      we are informed of all compilation failures, not just the first
+      one or two. Closes part of ticket 31372.

changes/ticket31372_travis

@@ -0,0 +1,4 @@
+  o Minor features (continuous integration):
+    - When building on Travis, pass the "-k" flag to make, so that
+      we are informed of all compilation failures, not just the first
+      one or two. Closes part of ticket 31372.