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
Merge "Updated Network Connectivity of Physical Servers & architectural and networking diagram"
Merge "Add some glossterm markup"