changed manage.py permissions
added restangular and changed links
added basic function calls to test restangular.
added template context processors

according to https://docs.djangoproject.com/en/1.5/ref/contrib/admin/, certain
template context processors need to be enabled for the admin functionality to
behave properly.
added login screen and logout view for future implementation
added dashboard scaffolding
Add d3 as a global import to avoid creating a new dependency.
Add d3 module for dependency injection.
Remove temporary d3 code from DashboardCtrl.
Fix spacing.
Fix model definition for organization and to use submodules.
Remove app.controllers and app.directives declarations
Using new angularjs-nvd3-directives project:

https://github.com/cmaurer/angularjs-nvd3-directives
Add dashboard graph to main view.
Merge branch 'feature/dashboard' into develop