Update voltctl release page with more curent jenkins info

Fixed a few lint problems.
Added a few more doc edits that were pending.

Change-Id: I3604588945f20a3592696a953e76cdea9812ff4c
diff --git a/howto/doc_fixes b/howto/doc_fixes
new file mode 100644
index 0000000..9fd733d
--- /dev/null
+++ b/howto/doc_fixes
@@ -0,0 +1,2 @@
+D000 Duplicate explicit target name
+     - Suffix ` <>`_ URLs with a double underscore
\ No newline at end of file