README: shorten the ModerationApi description

Replace the long capability enumeration with a concise summary.

Author: winrid

README.md

@@ -42,10 +42,7 @@ This library contains the generated API client and the SSO utilities to make wor
 ### Public vs Secured APIs
 
 For the API client, there are three classes, `DefaultApi`, `PublicApi`, and `ModerationApi`. The `DefaultApi` contains methods that require your API key, and `PublicApi` contains
-methods that can be made directly from a browser/mobile device/etc without authentication. The `ModerationApi` contains methods that power the moderator dashboard - listing,
-counting, searching, exporting and pulling logs for comments, moderation actions (remove/restore, flag, set review/spam/approval status, adjust votes, reopen/close threads),
-bans (ban from a comment, undo bans, pre-ban summaries, ban status and preferences, banned-user counts), and badges & trust (award/remove badges, manual badges, get/set trust
-factor, user internal profile). Every `ModerationApi` method accepts an `sso` parameter so the call is performed on behalf of an SSO-authenticated moderator.
+methods that can be made directly from a browser/mobile device/etc without authentication. The `ModerationApi` provides an extensive suite of live and fast moderation APIs. Every `ModerationApi` method accepts an `sso` parameter and can authenticate via SSO or a FastComments.com session cookie.
 
 ## Quick Start