Added support for log stored in CMS_STORAGE.

Added support for custom value stored in CMS_STORAGE.
Added optional css classes addition to CMS_BLOCK output.
Refactored storage, to manage node from node module code only (or mostly).

TODO: improved view for a cms node, for now hardcoded.

examples/demo/site/themes/bootstrap/assets/scss/style.scss

@@ -65,3 +65,19 @@ ul.horizontal {
 		float: right;
 	}
 }
+#primary-tabs {
+	ul.horizontal {
+		list-style-type: none;
+		li {
+			display: inline;
+			padding: 2px 5px;
+			border: solid 1px #ccf;
+		}
+		li.active {
+			border-color: #99f #99f #ddd;
+			border-style: solid solid none;
+			border-width: 2px 1px 0;
+			padding: 2px 7px 1px;
+		}
+	}
+}