It currently causes severe performance issues in synapse as well as many
random resets, so this is disabled until those issues are resolved.

Fixes some issues with inline images.

fixes #214

Limiting improves readability on wide monitors.

The immediate update of the settings is done by just exposing settings
as properties and then setting the settings as a context property.

(This is such a hack and will probably break, but it works for now for
most cases...)

closes #94