Added basic collection functionality

mediagoblin/static/css/base.css

@@ -250,6 +250,17 @@ footer {
   font-family: 'Lato', sans-serif;
 }
 
+.button_collect {
+    background-image: url("../images/icon_collect.png"); 
+    background-repeat: no-repeat;
+    background-position:top center;
+    height: 30px;
+    width: 30px;
+    margin: 0px;
+    padding: 3px 3px 2px 3px;
+    position: relative;
+}
+
 .pagination {
 text-align: center;
 }
@@ -344,6 +355,10 @@ text-align: center;
   text-align: right;
 }
 
+.subform {
+  margin: 2em;
+}
+
 #password_boolean {
   margin-top: 4px;
   width: 20px;
@@ -416,6 +431,34 @@ textarea#comment_content {
   max-height: 135px;
 }
 
+/* collection media */
+
+.collection_thumbnail {
+  float: left;
+  padding: 0px;
+  width: 180px;
+  margin: 0px 4px 10px;
+  text-align: left;
+  font-size: 0.875em;
+  background-color: #222;
+  border-radius: 0 0 5px 5px;
+  padding: 0 0 6px;
+  text-overflow: ellipsis;
+}
+
+.collection_thumbnail a {
+  color: #eee;
+  text-decoration: none;
+}
+
+.collection_thumbnail a.remove {
+  color: #86D4B1;
+}
+
+.collection_thumbnail img {
+  max-height: 135px;
+}
+
 /* media detail */
 
 h2.media_title {