Add benchmarks to survey and admin data items. Remove them from measures. Modify seeder

Calculate benchmarks for measures based on a weighted average of survey
and admin data items

Added architectural records

app/controllers/overview_controller.rb

@@ -1,5 +1,4 @@
 class OverviewController < SqmApplicationController
-
   def index
     @variance_chart_row_presenters = Measure.all.map(&method(:presenter_for_measure))
     @category_presenters = Category.sorted.map { |category| CategoryPresenter.new(category: category) }