Moved Proposal model from wiki to source code and updated ProposalModel wiki page.
Patch by: Pawel Solyga
Review by: Todd Larsen
Review issue: 362
Review URL: http://codereviews.googleopensourceprograms.com/362
This is an optional add-on app, flatpages.
For full documentation, see either of these:
* The file docs/flatpages.txt in the Django distribution
* http://www.djangoproject.com/documentation/flatpages/ on the Web
Both have identical content.