Also, move some css around.

See https://bugzilla.mozilla.org/show_bug.cgi?id=1136818 for the word
wrapping stuff.

Don't show new statuses immediately if we already have something in there.

And wire it up.

Without it, Chrome stretches the image...

This is to add the current user.

This adds a favorite notification.

Kind of wonky. Would be better if we used the AS endpoints.

This now uses nearly only mutation, to take advantage
of vue's mutation tracking.

Apply different styles to reply, retweet and favorite buttons

Expand API service for retweet

They should be in allStatuses to keep only one reference, but they
should not get into the timeline, or it will mess up old status
fetching, because they have a very low id.