Update url_for from main.join to cloud.join

This text should be moved to Blender Cloud.

src/templates/nodes/custom/asset/video/view_embed.jade

@@ -25,7 +25,7 @@
 				i.pi-lock.video-dummy-content-icon
 				.video-dummy-content-text
 					span Only available to Blender Cloud subscribers.
-					a(href="{{ url_for('main.join') }}") Support Blender and get awesome stuff. <em>Subscribe now!</em>
+					a(href="{{ url_for('cloud.join') }}") Support Blender and get awesome stuff. <em>Subscribe now!</em>
 		| {% endif %}
 
 

src/templates/projects/view.jade

@@ -115,7 +115,7 @@ link(href="{{ url_for('static_pillar', filename='assets/css/project-main.css', v
 					title="Search (subscribers only)",
 					data-toggle="tooltip",
 					data-placement="right")
-					a(href="{{ url_for('main.join') }}")
+					a(href="{{ url_for('cloud.join') }}")
 						i.pi-search
 				| {% endif %}
 				| {% endif %}