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/guides/urls b/howto/guides/urls
new file mode 100644
index 0000000..6cdd884
--- /dev/null
+++ b/howto/guides/urls
@@ -0,0 +1,2 @@
+https://gerrit.opencord.org/plugins/gitiles/voltha-go/+/refs/heads/master/quickstart.md
+https://github.com/opencord/voltha-go/blob/master/quickstart.md