top bar title should reflect current page

[btbonval]

The top bar has said "Annotorious", as it should. However, it is also supposed to reflect the current page being viewed.

Such as "Annotorious - The History of the Greeks" when in the reading view for History of the Greeks.

[btbonval]

titles for current page, and in the case of reading view the title for current work, is displayed properly as of commits

• 98b2a77
• 4360f59
• 8c3df2e