Deleted pubs.html
Added d3.js and ajax calls to social_network page
Exception handling for sqlalchemy.exc.OperationalError
Added javascript files
Added server.py. A script to integrate flask with tornado
No OperationalError handling for db_handler.py
Removed some javascript sources from templates/base.html
Finalized query for graph_handler and added a page not found for social_network_handler
Co-author graph with labels in templates/social_network.html
Modified master.css
Deleted javascript files