Expose Metadata

Added access to:
* `/users/@me/guilds`
* `/guilds/{guild_id}`
* `/guilds/{guild_id}/members/{member_id}`

BREAKING CHANGE:
* `get_user_info` -> `fetch_user_info` to match naming scheme.

Remove useless note

Remove `reverse` and corresponding documentation

Update documentation to reflect #1988

Rename `get_` HTTP functions to `fetch_`

Breaking Changes:
* `get_message` -> `fetch_message`
* `get_invite` -> `fetch_invite`
* `get_user_profile` -> `fetch_user_profile`
* `get_webhook_info` -> `fetch_webhook`
* `get_ban` -> `fetch_ban`

Fix InviteConverter, update migrating.rst

Rename get_message to fetch_message

discord/ext/commands/converter.py

@@ -336,11 +336,11 @@ class GameConverter(Converter):
 class InviteConverter(Converter):
     """Converts to a :class:`Invite`.
 
-    This is done via an HTTP request using :meth:`.Bot.get_invite`.
+    This is done via an HTTP request using :meth:`.Bot.fetch_invite`.
     """
     async def convert(self, ctx, argument):
         try:
-            invite = await ctx.bot.get_invite(argument)
+            invite = await ctx.bot.fetch_invite(argument)
             return invite
         except Exception as exc:
             raise BadArgument('Invite is invalid or expired') from exc