Adds a description of provider network vs tenant networks

In this commit we have include a paragraph to describe the
differences between provider vs tenant networks.
The description of all provider network types is already covered
in this cloud admin guide

Closes Bug: 1087586

Change-Id: I18b1c53ffaff8e878da9fb1f9e14c8f6c5da2491
It's [ec2authtoken]

Fix section name.

Change-Id: I76c048c6f87cf202d72b9fee943df5a8677118a8
Closes-Bug: #1295739
More # to $ prompts

Change-Id: I1c420908dc97bf8e9ffefc78c498d0241dbf01b6
Merge "Adds a description of provider network vs tenant networks"
Merge "It's [ec2authtoken]"
Merge "More # to $ prompts"