URI encode meeting name and only show invite/join when a name is entered

app/assets/javascripts/landing.js

@@ -140,7 +140,12 @@
       $(".page-wrapper.meetings").data('id', newId);
       $('.meeting-url').val(Meeting.getInstance().getURL());
       $('.join-meeting-title').html(I18n.join_title.replace(/%{id}/, newId));
-    })
+      if (newId === '') {
+        $('.invite-join-wrapper').addClass('hidden');
+      } else {
+        $('.invite-join-wrapper').removeClass('hidden');
+      }
+    });
 
     // enable tooltips
     var options = {

app/assets/javascripts/meeting.coffee

@@ -36,7 +36,7 @@ class @Meeting
     _meetingInstance = null
 
   @buildMeetingURL: (id, type) ->
-    return @buildFullDomainURL() + '/' + type + '/' + id
+    return @buildFullDomainURL() + '/' + type + '/' + encodeURIComponent(id)
 
   @buildFullDomainURL: ->
     url = location.protocol + '//' + location.hostname