Merge branch 'async-near-cavities' into 'master'

...site/ippidb/static/js/targetcentric-near-cavities-rows.js

ippisite/ippidb/templates/targetcentric.html

ippisite/ippidb/templates/targetcentric_cavity_row.html

ippisite/ippidb/templates/targetcentric_near_cavities.html

ippisite/ippidb/urls.py

ippisite/ippidb/views/__init__.py

ippisite/ippidb/views/targetcentric.py

ippisite/ippisite/db_finder.py

ippisite/ippisite/settings.py