RENAME PART I: Renamed networking directory to social-nets
Doing this in multiple commits so that it's easier to follow.
1. Rename directory
2. Rename files, update comments in files
RENAME PART 2: Renamed files to reflect change to social-net terminology
Doing this in multiple commits so that it's easier to follow.
1. Rename directory
2. Rename files, update comments in files
Changed from merge-pops (undesirable style/terminology) to merge-groups
Fixed merge-groups to make a list instead of a list of lists
Fixed comments to reflect change in networking terminology
Renamed to lisp-style dashes instead of underscores.