* Invokes the site tree fix from previous fixes.
* Adds a disclaimer noting that previous years’ accounts have not been carried over.
Fixes#43
* Adds proposal type to the proposal summary page.
Fixes#40
* Adds travel/accommodation assistance to the proposals page, but makes it only visible to speakers in the proposal, or review managers.
Fixes#41.
Fixes#42.
* Reduces a lot of the whitespace in the header and footer.
Fixes#44
* Proposals review page now shows information for every speaker on a proposal.
Fixes#45
* Makes sure that non_field_errors are displayed by forms.
Fixes#37
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