Merge branch 'master' of https://github.com/cbhaley/calibre
Compile user manual translations
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Convenience function to convert epub to azw3 directly without invoking the conversion pipeline at all
Get rid of global.rst and REMOVE_IN_PDF
User Manual: Build localized versions
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Fix #1355488 [(Enhancement) Add a restart button to Configuration Warning](https://bugs.launchpad.net/calibre/+bug/1355488)
Add option to only build specified UM translations
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Do not translate generated docs in user manual

Instead use the translated text from the main calibre translations
directly.
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Use new manual build framework for building manual pot files
Parallelize compiling of main translation .po files
Prevent long saved searches from making the saved search dialog too wide
Fix drag and drop of files with non-URL safe characters in their names broken by changes in QUrl in Qt 5. Also get drag and drop of images from Chromium on linux working.
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