...
Merge branch 'master' of https://github.com/cbhaley/calibre

Fixes #1340578 [1.44 breaks column coloring](https://bugs.launchpad.net/calibre/+bug/1340578)
Edit Book: Fix regression that caused crash while syntax highlighting CSS stylesheets that contain url() tokens without enclosing quotes
Fix duplicate entries int he ToC for the EPUB and AZW3 versions of the User Manual
...
Edit Book: Fix live link syntax highlighting not being updated correctly after renaming an open file
...
Update NOAA Online

Fixes #1340797 [Updated recipe for NOAA Online](https://bugs.launchpad.net/calibre/+bug/1340797)
...
Fix link in de version of QS Guide
Edit Book: Fix replacement of hyphenated words in the spell checker not working
Fix integer type conversions
More type conversion fixes
Fix spurious detection of words starting at hyphen boundaries