Working version of online object by means of providing online element buttons in the text editor.
Full online mode functionality. We now have two online
object types: Online 'text' (i.e. text that can include links) and online video,
i.e. embedding youtube or vimeo videos.
Add some info boxes to the new online check boxes/icons. Some changes to other info texts
relating to creating online content. Add check to disabling online mode: Will not allow
if content piece contains online content.