Ignore tmp files during processing
Fix makefile for page-link normalization
Add empty presentation
Move proposal items to proposal doc directory
Just use older wikipedia page links data
Write portion of presentation on data gathering
Add timer to presentation

Since the presentation is going to be timed to 12 minutes this may be
useful to know
all must be PHONY in our data makefile
Add python script to find article names by search
Add nice colors to start and target