Added project URL to body dataset.

This can be accessed using ProjectUtils.projectUrl(), requires Pillar
91e3ec659f68.

src/templates/attract/layout.jade

@@ -17,7 +17,7 @@ html(lang="en")
 
 		| {% block style %}{% endblock %}
 
-	body
+	body("{% block bodyattrs %}{% endblock %}")
 		#app-main
 			#col_sidebar
 				nav.sidebar(role="navigation")
@@ -41,4 +41,3 @@ html(lang="en")
 		script(src="{{ url_for('static_attract', filename='js/tasks.js') }}", async=true)
 		script(src="{{ url_for('static_pillar', filename='assets/js/vendor/jquery.select2.min.js') }}", async=true)
 		| {% block footer_scripts %}{% endblock %}
-

src/templates/attract/shots/for_project.jade

@@ -1,5 +1,6 @@
 | {% extends 'attract/layout.html' %}
 | {% block page_title %}Shots - {{ project.name }}{% endblock %}
+| {% block bodyattrs %}data-project-url="{{ project.url }}"{% endblock %}
 | {% block body %}
 #col_main
 	.col_header.task-list-header