Fold in changelog/release-notes entries

changes/bug31343

@@ -1,9 +0,0 @@
-  o Minor bugfixes (compilation):
-    - Avoid using labs() on time_t, which can cause compilation warnings
-      on 64-bit Windows builds.  Fixes bug 31343; bugfix on 0.2.4.4-alpha.
-
-  o Minor bugfixes (clock skew detection):
-    - Don't believe clock skew results from NETINFO cells that appear to
-      arrive before the VERSIONS cells they are responding to were sent.
-      Previously, we would accept them up to 3 minutes "in the past".
-      Fixes bug 31343; bugfix on 0.2.4.4-alpha.

changes/bug31356_and_logs

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-  o Minor bugfixes (circuit padding negotiation):
-    - Bump circuit padding protover to explicitly signify that the hs setup
-      machine support is finalized in 0.4.1.x-stable. This also means that
-      0.4.1.x-alpha clients will not negotiate padding with 0.4.1.x-stable
-      relays, and 0.4.1.x-stable clients will not negotiate padding with
-      0.4.1.x-alpha relays (or 0.4.0.x relays). Fixes bug 31356;
-      bugfix on 0.4.1.1-alpha.
-  o Minor features (circuit padding logging):
-    - Demote noisy client-side warn log to a protocol warning. Add additional
-      log messages and circuit id fields to help with fixing bug 30992 and any
-      other future issues.

changes/ticket30591

@@ -1,3 +0,0 @@
-  o Testing (continuous integration):
-    - In Travis, make stem log a controller trace to the console. And tail
-      stem's tor log after failure. Closes ticket 30591.

changes/ticket30694

@@ -1,3 +0,0 @@
-  o Testing (continuous integration):
-    - In Travis, only run the stem tests that use a tor binary.
-      Closes ticket 30694.

changes/ticket31374

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-  o Minor bugfixes (compilation warning):
-    - Fix a compilation warning on Windows about casting a function
-      pointer for GetTickCount64(). Fixes bug 31374; bugfix on
-      0.2.9.1-alpha.

changes/ticket31406

@@ -1,3 +0,0 @@
-  o Minor features (directory authority):
-    - A new IP address the directory authority "dizum" has been changed. Closes
-      ticket 31406;