Changing the way we mattermost handles URLs. team.domain.com becomes domain.com/team.

Renaming team.Name to team.DisplayName and team.Domain to team.Name.
So: team.Name -> url safe name. team.DisplayName -> nice name for users

api/channel_benchmark_test.go

@@ -141,7 +141,7 @@ func BenchmarkJoinChannel(b *testing.B) {
 	user := &model.User{TeamId: team.Id, Email: model.NewId() + "random@test.com", Nickname: "That Guy", Password: "pwd"}
 	user = Client.Must(Client.CreateUser(user, "")).Data.(*model.User)
 	store.Must(Srv.Store.User().VerifyEmail(user.Id))
-	Client.LoginByEmail(team.Domain, user.Email, "pwd")
+	Client.LoginByEmail(team.Name, user.Email, "pwd")
 
 	// Benchmark Start
 	b.ResetTimer()