Webscrapbook

* Added support of multiple include and exclude patterns for auto-capture.
* Fixed an issue that no-tree books are shown in `Capture as` dialog.
* Fixed an issue of showing items unrelated with the current selected parent book in `Capture as` dialog.
* Fixed an issue that item locking does not prevent a recapture or merge-capture.
* Fixed an issue that copying an item across scrapbooks can generate two transaction backups.
* Miscellaneous code optimization and refactoring.

* Fixed an issue that removing an item may get an error when the recycle bin is empty.

* Improved UI for `View captured pages` page.

* Improved UI for search results.
* Long lines are now wrapped.
* Adjusted indentation of results.
* Adjusted mouse hover effects.

* Improved the search page:
* `create:` and `modify:` conditions are now "or"-connected.
* `book:` conditions are now matched by book ID.
* Search results are now shown in the order of provided `book:` conditions.
* A bad input for `sort:` and `limit:` is now forbidden.
* Fixed an issue that the results of an interrupted search interminges into the current search.

* Fixed remote detection of `[::1]` for the generated search page.
* Fixed some incomplete localizations.