Add glossaries to report, modify makefile to make glossaries
Update Challenges-projections. Also add some figures.

Could not get the figures to line up side-by-side. They are instead lined up vertically. Someone please fix
Add high level architecture.

This lists out the modules and roughly describes how they work and how
they are related.

Some restructuring is probaly needed, in accordance with the detailed
descriptions of each module?
improve some side-by-side figures