preference to dynamically load comments and small fixes

static/assets/comments.js

@@ -0,0 +1,25 @@
+var comm = document.getElementById('comments');
+function comments(self) {
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', '/_/partials/comments/'+self.getAttribute('data-id')+self.getAttribute('href'), true);
+    xhr.onerror = function(e) {
+        alert('Something went wrong. Check console');
+        console.error(e);
+    }
+    xhr.onload = function() {
+        if (xhr.status != 200) {
+            alert(xhr.responseText);
+            return;
+        }
+
+        comm.innerHTML += xhr.responseText;
+        var next = xhr.getResponseHeader('next');
+        if (next == 'done') {
+            self.remove();
+        } else {
+            self.setAttribute('href', next);
+        }
+        self.textContent = 'more comments';
+    }
+    xhr.send();
+}