Add some glossterm markup

Add glossterm for active/active and active/passive.

Also remove extra whitespace in front of ":".

Change-Id: Iba9287bc59850d21b5d999abd6e8fd74d0ac290b
Updated Network Connectivity of Physical Servers & architectural and networking diagram

Closes-Bug: #1268825
Change-Id: I25cb208d1653243707bb3d13b15faf38f39d07a8
Created service table plus edits

Moved itemized client list of into service/client table for clarity.
Also small edits in the installation chapter.

Change-Id: I5b6e31a77fa1c955f0078c3b791ed7cdc547d674
Merge "Created service table plus edits"
Merge "Updated Network Connectivity of Physical Servers & architectural and networking diagram"
Merge "Add some glossterm markup"