refactor Project test
Merge branch 'master' of https://github.com/buildbuild/buildbuild
update Project
refactor Project model & test
update requirements.txt : add celery
add celery module
update requirements.txt : add django-celery
update settings.py : add djcelery in INSTALLED_APPS
update settings.py : django-celery setting for DB
fix settings.py : import should be on the top
Merge branch 'feature/integrate-celery' into develop

* feature/integrate-celery:
  fix settings.py : import should be on the top
  update settings.py : django-celery setting for DB
  update settings.py : add djcelery in INSTALLED_APPS
  update requirements.txt : add django-celery
  add celery module
  update requirements.txt : add celery
update project model : project must have name
Merge pull request #20 from o8151814/master

update project models & test ( but need more improvements )
Merge pull request #21 from dobestan/develop

[Sprint #4] Integrate with Celery
Merge pull request #22 from BOBTommy/feature/Team_Apply

[Sprint 4] WaitList Test code & it's implementation code