all: initial commit
events: add Persona, Event, Sponsorship

Basic types, still need lots of love.
events: enable admin
travel: enable admin, events app
events: add __unicode__ methods
README.md: add some information
events: add a slug to Event
events: add initial templates

Basic list and detail templates for testing.
gitignore: omit all .db files
initial_data: add some test data for syncdb

./manage.py syncdb will load this data when recreating the tables in
the DB. The default user is "admin", with password "123".
events: some housekeeping in models