DOC: Clean-up Configure and Build Instructions

Remove outdated and redundant content. Update the file with current
information on the dependencies and superbuild process. Some work
still needs to be done to simplify the generation of the output with
resolved cross-referencing, index and bibligoraphy generation.

Change-Id: Ie46130ccca5af1fca78c79856ffdc42bf2f47929
Merge "DOC: Clean-up Configure and Build Instructions"