Merge pull request #76 from gannetson/integration

Add generic fields to projects and basic ember to fit
Added django-apptemplates to project requirements.
Unicode method for `ProjectDetail`.
Merge branch 'integration' of github.com:onepercentclub/bluebottle into integration
`Project.details` field is now properly serialized.
Some cleanings in `projects.serializers`.
Added `PROJECT_PHASES` to test settings.
Add tasks to BB