Edit Book: Allow the import files into book action to be added to the toolbar
Edit Book: Clear the Check Book panel when opening a new book
Edit Book: Live CSS: Improve detection of which tag the cursor is inside when there are multiple tags on the same line. See #1350495 (Private bug)
Implement rendering of cover grid emblems
Add a preference to turn emblems on/off
Options to control the size and placement of the emblems
Edit Book: Allow customizing the templates used when creating new, blank HTML/CSS files via Preferences->Editor settings. Fixes #1348986 [Footnote pop-up - new issue](https://bugs.launchpad.net/calibre/+bug/1348986)
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