add teams app
Merge branch 'master' of https://github.com/buildbuild/buildbuild
Merge branch 'master' of https://github.com/buildbuild/buildbuild
make teams.models : add some fields.
init projects.models
init projects.tests folder
update Project model : add name field
update Project model : project should have unique name
refactor Project tests
update Project model : add manager & validate_name
update Project model : add team(foreign key field)
Merge pull request #18 from o8151814/master

update project model!
Merge pull request #19 from wikibootup/feature/Team_Apply

Team Manager minor Feature(create, get all, get) for applying team
Add team field validation code about contact number & website url