add failing unit tests for asscoiation between buyer and project
pass tests for projects belong to buyer
hk: drop user and creative tables as using STI within USER
add failing integration tests for seeing projects on user profile feature
passing integration tests for displaying buyers projects o their profile feature
Merge branch 'project' into dev

* project:
  passing integration tests for displaying buyers projects o their profile feature
  add failing integration tests for seeing projects on user profile feature
  hk: drop user and creative tables as using STI within USER
  pass tests for projects belong to buyer
  add failing unit tests for asscoiation between buyer and project

Conflicts:
	app/controllers/projects_controller.rb