Update

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Add general setup

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Add controller node installation guide

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Add compute node installation guide

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Fix NCTU openstack url

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Update general setup

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Update prerequisite

Signed-off-by: Lance Chen <cyen0312@gmail.com>
Merge pull request #1 from Lance0312/master

Add exercise one - manually deploy OpenStack