Updated Thalaba Place Network Graph

Newly imported / redone from full .tsv file, and mapped by Average
Shortest Path Length.
Merge branch 'master' of https://github.com/ebeshero/ebeshero.github.io

# By ebeshero (2) and Elisa Beshero-Bondar (1)
# Via Elisa Beshero-Bondar
* 'master' of https://github.com/ebeshero/ebeshero.github.io:
  Delete ThalabaPlaceProx.svg
  updated index page with Southey Place Proximity File
  Thalaba Proximity SVG to github io