Updated help dialog.
Restored missing error msg when trying to insert tag.
Added markup and certainty to date.

Added conditional display of markup.
Removed editor mode msg for now.
Added missing annotations.
Disabled multiple keywords.
Note popups now sized based on screen dimensions
Updated CSS for note and citation pop-ups
Fixed precision in place dialog
Added extra error checking to entity creation
Fixed markup for title and link.
Fixed resizing issue in embedded CWRC-Writers
Adding empty entities disabled for now.
Markup tree shows parent tag for entities.