The goal is to eventually remove bower as a dependency.

This option is by default set to `true` which entails no changes in behavior
compared to previous versions of converse.js.

If set to `false`, then rooms first need to be configured before they can be
joined by other users (so-called "reserved" rooms).

More info on "instant" and "reserved" rooms here:
http://xmpp.org/extensions/xep-0045.html#createroom

See https://github.com/jcbrand/pluggable.js

so that plugins can have a different mechanism for determining the default
nick.

which if set to `true` will let converse.js automatically take the node part of
a user's JID as their nickname when entering a room.

If there is a nickname clash, then the nickname will be disambiguated by adding
integers to it.

For example, john will become john-1, then john-2 and so forth.

the contact didn't appear under the pending contacts list.

Allows you to easily mention someone in your message.

to make sense within the context of anonymous chat.

when calling `converse.rooms.open`.

It's not stable yet and XMPP server support is very patchy.
However, the nickname form work can be merged into master.

We now need to mock some extra XMPP stanzas being received when a user enters a chat
room in tests.

when they enter a chat room. If they have, we'll use that, otherwise we render
a form where they can specify their nick.

Some chat room tests now fail and still need to be fixed.

This change is with an eye on supporting reserved nicknames, in which case the
user who has a reserved nickname won't have to choose a nick upon joining a
room.

because we don't always have a jid...

You can now provide the JID of the server either via `converse.initialize` or
via `converse.user.login`.

before converse.initialize has been called. Otherwise we won't get
translations.

Updates #669

Also add an initial test case for filtering by chat state.

and don't remove during `_tearDown`.

Fixes bug in `trimChats` when logging in again and `converse.minimized_chats`
is undefined.

Fixes bug when fetching controlbox, which doesn't have a jid

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