Fixed: #713: Disply likes and boosts on post cards (#744)

This is a basic and simple way to display them. No interaction possible.

Alos, this patch is not optimised. as everytime a partial post_card is
called, `Post::count_likes()` and `Post::count_reshares()` are called
which means quite a few more quesies are sent to database unless diesel
uses some cache mechanisem.

A way to enhance this this would be to keep a count of likes and reshares
are kept in Post model / table.

assets/themes/default/_global.scss

@@ -190,7 +190,28 @@ p.error {
 
  	background: $gray;
 
- 	text-overflow: ellipsis;
+  text-overflow: ellipsis;
+
+  footer.authors {
+    div {
+      float: left;
+      margin-right: 0.25em;
+    }
+
+    .likes { color: $red; }
+    .reshares { color: $primary; }
+
+    span.likes, span.resahres {
+      font-family: "Route159",serif;
+      font-size: 1em;
+    }
+
+    svg.feather {
+      width: 0.85em;
+      height: 0.85em;
+    }
+  }
+
 
  	> * {
  	  margin: 20px;