new campaign model.
General fund
Memorial Fund
Countries page
linking projects to campaigns and creating FeaturedCampaign.
moving contents of proj.issue and .issues_related to proj.campagins in test data.
Merge branch 'modelrefactor' of https://github.com/annalee/peacecorps-site into mr2
updates to landing and donate_issue views to move to campaign model.
Merge upstream
Fix some typos; countries page
Odds and ends. Displaying only sectors on landing page
updating import on urls.py to point to renamed donate_campaign.
Remove models, PEP8
Merge upstream
fixing spelling on field name.
Merge pull request #2 from cmc333333/mr2

Fund updates
Merge pull request #3 from cmc333333/beleted

Extending #2 with deletions
deleting extraneous migration.
adding debug toolbar to dev settings.
adding a featured campaign to test data.