Poster list release redux

This adds a new poster view and create_poster_list management command that works with a csv file to generate a list of posters on the /scipy2014/posters/ page.

this fixes #125

Scipy 2014 Jun 14

Schedule grid rendering changes

SciPy 2014 Conference Site

Merge pull request #100 from scipy-conference/oh_the_humanities

add missing domain symposium for #99

v1.0.0-b.2

Merge pull request #23 from polarbeardesign/about_templates

adds About templates for about, code of conduct, diversity statement and updates sitetree fixture for same

v1.0.0-b.1

staging release