Fix sponsor sidebar so it actually displays our sponsors.
Fix serving of media files in dev environment.
updated about page with text from https://github.com/scipy-conference/scipy-conference/blob/master/mailings/conference_announcement.rst
Merge pull request #61 from polarbeardesign/content_updates_jri_003

updated About page with text from conference_announcement.rst
updated about page with text from https://github.com/scipy-conference/scipy-conference/blob/master/mailings/conference_announcement.rst
adding submission deadline reminder to site
Merge branch 'content_updates_jri_003' of https://github.com/polarbeardesign/SciPy-2014 into content_updates_jri_003
Merge pull request #65 from polarbeardesign/content_updates_jri_003

Content updates jri 003
Merge pull request #60 from scipy-conference/sponsor_sidebar

Sponsor sidebar
Move to mailchimp hosted form
added to keynote speakers