Modified site.pp.example for fixing ovs log flooding issue

Fixes: Bug#1208979
Fixed the allignment
Fixed the allignment issue on site.pp.example and
modified site.pp.ha.example for HA support
Fixed the alignment
Reformat coe::ovs block comments

Per review notes in:
https://github.com/CiscoSystems/grizzly-manifests/pull/185

This commit removes comments above coe::ovs code blocks
other than the first one in the file.  It also reformats
the comments slightly for readability.

Partial-Bug: #1208979
Merge pull request #1 from markvoelker/bug1208979

Reformat coe::ovs block comments
Merge pull request #185 from satroutr/bug1208979

Modified site.pp.example for fixing ovs log flooding issue