Add migration, model, factory, and spec file for Organization
Add migration, model, factory, and spec file for Campaign
Edit readme, add user stories
add presence and unique validations to Organization
Add migration, model, factory, and spec file for Donor
Add migration, model, factory, and spec file for Item
Add migration, model, factory, and spec file for Pledge
Add migration, model, factory, and spec file for Request
create associations between models
make aliases for Item model
add organizations, campaigns and donors test file to factories
add first factory girl testing code
add some factory girl testing code to all three files
add 3 controller test spec files
add skeleton code for organizations controller spec file
add skeleton code for campaigns controller spec file
add donor spec unit file
Merge pull request #13 from spring-peepers-2014/set_up_factory_girl

Set up factory girl & files and directories for most of testing -- checked by Alex
Factories are working but will need to be edited later on.
The reason for merge is too set up templates for future tests.
Merge branch 'development' of https://github.com/spring-peepers-2014/SmartSOS into development
Merge branch 'development' of https://github.com/spring-peepers-2014/SmartSOS into org_vertical