User Teams specific code moved to user_teams controller

app/controllers/projects/application_controller.rb

 class Projects::ApplicationController < ApplicationController
-  before_filter :authorize_admin_team_member!
-
-  protected
-
-  def user_team
-    @team ||= UserTeam.find_by_path(params[:id])
-  end
-
 end

app/controllers/projects/teams_controller.rb

 class Projects::TeamsController < Projects::ApplicationController
+  before_filter :authorize_admin_team_member!
+
   def available
     @teams = current_user.is_admin? ? UserTeam.scoped : current_user.user_teams
     @teams = @teams.without_project(project)
@@ -24,4 +26,9 @@ class Projects::TeamsController < Projects::ApplicationController
     redirect_to project_team_index_path(project)
   end
+  protected
+
+  def user_team
+    @team ||= UserTeam.find_by_path(params[:id])
+  end
 end