Could be a different element as well.

The previous plugin developer is still running an ancient version of converse.js.  This updates the link to point to a fork that us running a current version of converse.js.

In the process also updated `updateSettings` to allow merging.

Including:
- Always render bookmarks list
- Hide bookmarks list if no bookmarks available
- Only send bookmarks stanza when appropriate

updates #203

Also moved chatview specific settings.

Also remove "jquery", will be loaded implicitly

- Updated to newest requirejs/text.
- Don't build dist files when running `make dev`

Split showRoomInfo into two new methods.

For better performance.

- Remove bookmark from list when removed from collection
- Only render list after all bookmarks have been fetched
- Properly remove bookmarks from sessionStorage

Allows you to pass in options for the `Strophe.Connection` constructor.