Merge pull request #14 from andredempsey/andre

added slug; reformatted user dashboard, fixed flash notifications, still...
sending Andre code
Merge pull request #15 from andredempsey/andrew

sending Andre code
commiting files
adding missing files
conflicts resolved
Merge pull request #16 from andredempsey/nicole

Nicole
revised model to create a central user table for both donors and charities; updated user dashboard CRUD operations