Remaining lintChanges fixes

changes/bug13239

   o Minor bugfixes (hidden service client):
     - Increase the minimum number of internal circuits we preemptively build
       from 2 to 3 so they are available when a client connects to another
-      onion service. Fixes bug 13239; bugfix on tor-0.1.0.1-rc~460.
+      onion service. Fixes bug 13239; bugfix on 0.1.0.1-rc.

changes/bug17688

   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; bugfix on 0.2.5.6-alpha.
+

changes/bug18934

   o Minor features (testing):
     - Let backtrace tests work correctly under AddressSanitizer.
-      Fixes part of bug 18934.
+      Fixes part of bug 18934; bugfix on 0.2.5.2-alpha.

changes/bug18934_2

   o Minor bugfixes (testing):
     - Disable ASAN's detection of segmentation faults while running
       test_bt.sh, so that we can make sure that our own backtrace generation
-      code works. Fixes another aspect of bug 18934. Patch from "cypherpunks".
+      code works. Fixes another aspect of bug 18934; bugfix on 0.2.5.2-alpha.
+      Patch from "cypherpunks".

changes/bug19483

   o Minor bugfixes (time):
     - Improve overflow checks in tv_udiff and tv_mdiff.
-      Fixes bug 19483, present in all tor versions.
+      Fixes bug 19483; bugfix on all released tor versions.

changes/bug19504

   o Minor bugfixes (documentation):
     - Document the --passphrase-fd option in the tor manpage.
-      Fixes bug 19504.
+      Fixes bug 19504; bugfix on 0.2.7.3-rc.