integrate recent changes files

changes/bug5065

@@ -1,5 +0,0 @@
-  o Major bugfixes:
-    - Fix build if path to sed, openssl or sha1sum contains spaces.
-      This is pretty common on Windows. Fixes bug 5065; bugfix on
-      0.2.2.1-alpha.
-

changes/bug5082

@@ -1,6 +0,0 @@
-  o Major bugfixes:
-    - Properly set up obfsproxy's environment in managed mode. On TBB, we
-      need LD_LIBRARY_PATH to be copied, and when you run your Tor as a
-      daemon, there's no HOME. Fixes bug 5082 and 5076; bugfix on
-      0.2.3.6-alpha.
-

changes/bug5084

@@ -1,4 +0,0 @@
-  o Major bugfixes:
-    - Avoid a crash when managed proxies are configured and we receive
-      HUP signals or configuration values too rapidly. Fixes bug 5084;
-      bugfix on 0.2.3.6-alpha.

changes/bug5097

@@ -1,9 +0,0 @@
-  o Minor bugfixes:
-
-    - Don't put "TOR_PT_EXTENDED_SERVER_PORT=127.0.0.1:4200" in a
-      managed pluggable transport server proxy's environment.
-      Previously, we would put it there, even though Tor doesn't
-      implement an 'extended server port' yet, and even though Tor
-      almost certainly isn't listening to that address.  Bugfix on
-      0.2.3.6-alpha.
-