Closes-Bug: #1399298 - Bug Fix to create /var/log/contrail dir if doesn't exist

This check-in also:
Closes-Bug: #1398757 - Following setup script prevents error from occuring (Install instructions below)
Closes-Bug: #1399136 - Following setup script prevents error from occuring (Install instructions below)
Closes-Bug: #1399073 - Added the package configs to the correct folders (icehouse)

Install instructions for testing (After this checkin goes in):

Pre Install:

- Make sure to remove all server manager packages and relevant log files (/var/log/contrail /var/log/contrail-server-manager)

1. Centos:
yum localinstall <installer-pkg>
cd /opt/contrail/contrail-server-manager
./setup --all

2. Ubuntu:
gdebi <installer-pkg>
cd /opt/contrail/contrail-server-manager
./setup --all

Patch 2: Was deleting the wrong build root during packaging. Fixed.

Change-Id: Iddb4fe6a6e4343aee5ffee5f210edf6c564fcd1b
Merge "Closes-Bug: #1399298 - Bug Fix to create /var/log/contrail dir if doesn't exist" into R2.0