Ignore emacs autosave files
updated network diagram.

Added a network/environment diagram. Protocols, dependencies and other information is displaced.
Updated config with steps to verify and some other bits and pieces
Remove extra whitespace
Remove ReachableAddresses from app and mon torrc
Remove links to outdated demo instance
Clarify and move instructions for contributors above the fold
Fix broken link and update prereqs in install doc
Move contributors link below technical summary for better top to bottom flow
Cleanup links and formatting for README's "how to" sections
Add acronym for Secure Viewing Station, grammar fixes
Recommend removing unneeded hardware from the SVS, and clarify
Explanation and recommendations for possible choices of transfer device
Better organization of howto sections
Remove "before you begin" from README (should be in install docs)
Try different image link on Github
Merge full_install.md into install.md

Also splits the Google Authenticator instructions into a separate
document.
Add TOC to install document
Correct FPF site URL
Correct FPF domain