Add link to DataJoy that shows randomly 50% of the time

services/web/app/views/project/list/side-bar.jade

@@ -70,19 +70,33 @@
 			strong #{translate("create_your_first_project")}
 
 - if (showUserDetailsArea)
-	.row-spaced#userProfileInformation(ng-if="projects.length > 0", ng-cloak)
-		div(ng-controller="UserProfileController")
-			hr(ng-show="percentComplete < 100")
-			.text-centered.user-profile(ng-show="percentComplete < 100")
-				.progress
-					.progress-bar.progress-bar-info(ng-style="{'width' : (percentComplete+'%')}")
-
-				p.small #{translate("profile_complete_percentage", {percentval:"{{percentComplete}}"})}
+	- if (Math.random() < 0.5)
+		.row-spaced
+			hr
+			.card.card-thin
+				p.text-center.small
+					| <strong>Python</strong> or <strong>R</strong> user?
+				
+				p.text-center.small
+					a(href="https://www.getdatajoy.com/", target="_blank").btn.btn-info.btn-small Try DataJoy
 				
-				button#completeUserProfileInformation.btn.btn-info(
-					ng-hide="formVisable",
-					ng-click="openUserProfileModal()"
-				) #{translate("complete")}
+				p.text-center.small(style="font-size: 0.8em")
+					a(href="https://www.getdatajoy.com/", target="_blank") DataJoy
+					|  is a new online Python and R editor from ShareLaTeX.
+	- else
+		.row-spaced#userProfileInformation(ng-if="projects.length > 0", ng-cloak)
+			div(ng-controller="UserProfileController")
+				hr(ng-show="percentComplete < 100")
+				.text-centered.user-profile(ng-show="percentComplete < 100")
+					.progress
+						.progress-bar.progress-bar-info(ng-style="{'width' : (percentComplete+'%')}")
+
+					p.small #{translate("profile_complete_percentage", {percentval:"{{percentComplete}}"})}
+					
+					button#completeUserProfileInformation.btn.btn-info(
+						ng-hide="formVisable",
+						ng-click="openUserProfileModal()"
+					) #{translate("complete")}
 
 -if (settings.enableSubscriptions && !hasSubscription)
 	.row-spaced(ng-if="projects.length > 0", ng-cloak).text-centered