* remotes/upstream/master:
parse_url: Fixed a problem in the detection if there was an image or not. Additionally removed some test content.
rev update
Changed markdown to enable diaspora postings with images that contain links
bbcode: two new bbcode elements (style, class) for CSS
Moving the index creation commands into a readme file due to the fact that creating of these indexes is really slow.
network: Caching of images
scale_external_images: Fix: Hadn't looked for pictures in the format [img=XxY]
Further performance improvements
Speed improvements in the database
9433d229ed