Initial work on image support.
Local docs that haven't been synced are now deleted right away.
Handle some edgecases for the Surface. Needs more investigation.
Image support + on the fly thumbnail generation.
Added support for links.
Merge branch 'master' into image-support
Adapt to new REST API of the hub.
Merge branch 'image-support'
Improved timestamp updater.
Added basic support for code. Needs some work.
Use icon for inline code annotation.
Handle newline for code nodes.
Basic setup for tabHandling (indent/dedent headings)
Added support for heading levels.
Properly handle spaces for code node type.
A better Surface. Thanks @vectorsize!