[TASK] Catch HTTP exception in Consumer
[TASK] oEmbed Viewhelper must return an error message when needed
[TASK] Add caption support and add a new TS2 object to render oEmbed resource

A new object called: Ttree.Oembed:OEmbedConsumer can be used to render
any oEmbed resource, with this syntax::

Ttree.Oembed:OEmbedConsumer {
	uri = ${q(node).property('uri')}
}

Used by the Neos Node Type rendering, to replace the ViewHelper
[TASK] Extensible error message and template cleanup