lib-pq should be libpq-dev in prereqs
initial support for tags
tag editing now works
fix for postgres not accepting booleans as ints
added instructions for using a local postgresql database engine instead of sqlite
fixes tag updating on postgres
adds Flask-Cache as a requirement
added /report as simple xml report for external apps
merge of MattArnold commit bbf126f
adds user link, including images from gravatar and facebook
rsvp now works
moved event summary code to a macro
rearranges templates to use inheritence
user page work, special tags
adds /getevent service endpoint
adds pretty user profile urls