plugin blog import: this plugin is the base handling blog importers: - blog importers are plugin which register to this one with the "register" method - blog import manage uploading the given blog data to a PubSub server - filters can be used. - current filters fixe the <img> src without host, and upload images to XMPP server

Use this module to temporary store files that need to be integrated to other
projects such as Wokkel.

For example, the changeset that introduced this folder adds RSM (XEP-0059)
support to Wokkel. The files in sat.tmp.wokkel are imported over the initial
wokkel files from sat.plugins.__init__.py