Merge pull request #119 from polarbeardesign/master

extending early bird pricing to May 22nd
add box tags to pages so that admins can edit content
Merge pull request #120 from scipy-conference/presenter_info

add box tags to pages so that admins can edit content
having rewrite rule in nginx go to configurable place
make rewrite rule a template
Merge pull request #77 from scipy-conference/fabstaging

having rewrite rule in nginx go to configurable place
bump versions of django and symposion fork, add useful django-extensions
Merge pull request #121 from scipy-conference/useful

bump versions of django and symposion fork, add useful django-extensions
Adding content to homepage
Adding details to wssspe page
Adding fixing homepage
Remove stray <li>
bump symposion to pick up 24H schedule grid CSV consumption
rev symposion
rev symposion to get review results in admin
adding copy of sponsor template to supercede symposion template to hard code Enthought's Institutional sponsorship
Merge pull request #122 from polarbeardesign/add_enthought_to_sponsor_page

adding copy of sponsor template to supersede symposion template to hard ...
changing local db setting back to default