recipes: lwn_weekly: outline quize box & authors

Fill authors names in articles headers with bg color
to separate them from article body. The same for
quiz boxes, plus outline them with border line,
as they're put directly within article's text.

Signed-off-by: Sergiy Kibrik <sakib@meta.ua>
recipes: lwn_weekly: improve table handling

Site uses table layout a lot, both for page formatting
and within article's text, yet we clean up all tags
before & after article text, and remove what's left
from tables in-between, also removing useful tables
often embedded within articles. The better way seems
to keep only parts we actually interested about:
PageHeadline (article's title) and ArticleText and
not linearize table within ArticleText tag, thus
preserving useful tables.

Signed-off-by: Sergiy Kibrik <sakib@meta.ua>
E-book viewer: Fix popup footnotes not working on windows

I forgot that QUrl.toLocalFile() uses the forward slash as the path
separator on windows.
Update progress dialog while adding dupes
Fix writing to stdout/stderr in pool worker processes on windows not working
Windows: Redirect stdout/stderr to NUL instead of temp files. Avoids unnecessary creation of temp files
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Remove the HBR Blogs recipe since HBR Blogs apparently no longer exist
Fixed "database disk image is malformed" error when sending a large number of books to idevices.

Fixed _afc_file_read to continuing reading bytes until all bytes are
read up to the requested file length; the first read only returns the
first 0x400000 bytes, so any files larger than that were not being fully
read. The missing bytes were initialised to null in the target file,
resulting in a corrupt file (the local copy of the Marvin sqlite
database).
Fix #1388651 [[Enhancement] change TOC Auto-Rename mask](https://bugs.launchpad.net/calibre/+bug/1388651)
Bug 1392052: saved search with names containing backslashes don't work.
Ensure _afc_file_read terminates if 0 bytes read.
Merge branch 'master' of https://github.com/cbhaley/calibre

Fixes #1392052 [Saved search not working](https://bugs.launchpad.net/calibre/+bug/1392052)
Merge branch 'master' of https://github.com/Polyfun/calibre