app: add bom page
app: add price_list page

Conflicts:
	app/assets/javascripts/application.js.coffee
	app/assets/javascripts/estimate/bo_m.js.coffee
	app/models/estimate/bo_m.rb
	app/models/estimate/bo_m_element.rb
	app/models/estimate/price.rb
	app/models/estimate/price_list.rb
	config/locales/views/home/en.yml
	config/locales/views/home/ru.yml
	config/routes.rb
	db/schema.rb