Fix book cover thumbnails too small when sending books to the new Kindle Voyage
Merge branch 'master' of https://github.com/j-howell/calibre
Small right margin for proceed popup
AZW3 Input: Fix crash when processing AZW3 files that contain certain SVG images dies to a bug in ImageMagick. See #1384375 (svg cover lost when converting ePub->AZW3)
MOBI/AZW3 Output: When converting an EPUB document that specifies an SVG image as its cover image, convert the cover to JPEG as the Kindle cannot handle SVG cover images. See #1384375 (svg cover lost when converting ePub->AZW3)
Insert metadata as jacket page: Make the invisible tags used for searching across books format better, by giving them their own table row.
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Disable the auto-disconnect timer by default. Automatically disconnecting serves little purpose.
Merge branch 'master' of https://github.com/cbhaley/calibre
Zero is a valid non-None value for int and float custom columns
Make CTRL-space clear numeric custom fields in metadata edit
Book details panel: Show custom column values for numeric columns even when the value is zero

Merge branch 'master' of https://github.com/cbhaley/calibre
Add context menu entries to clear metadata edit spinboxes for date and number fields
version 2.7
Update The New Yorker
E-book viewer: Add an option to prevent tapping on the page from turning pages.
Add the ability to fetch the user categories for a book to proxy metadata. Add a formatter function to use it.
Fix the read metadata from format button in the edit metadata dialog not working for FB2 files. Fixes #1385237 [Crash when extracting metadata from fb2](https://bugs.launchpad.net/calibre/+bug/1385237)
Edit Book: Fix links that are absolute paths causing crashes in windows
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