Adding comment

Author: glenrobson

src/main/java/uk/org/llgc/annotation/store/servlets/ManifestUpload.java

@@ -103,6 +103,7 @@ public void doPost(final HttpServletRequest pReq, final HttpServletResponse pRes
                 }
 
                 try {
+                    // This calls the fromReader anyway so probably more efficient to pass the reader above.
                     tManifestJson = (Map<String,Object>)JsonUtils.fromString(tManifestStr);
                 } catch (JsonParseException tExcpt) {
                     System.out.println("Failed to load the following manifest: ");