Replace gmail with gmx
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pep8
When detecting the encoding of HTML documents, if the document contains multiple charset declarations, prefer the HTML 5 syntax to the HTML 4 syntax. Fixes #1364961 [Unicode Conversion on Amazon after Release 2.x](https://bugs.launchpad.net/calibre/+bug/1364961)
Make requests available on file hosting servers
Upload releases to GitHub as well
When using the Embed Metadata or Polish Books tools to update metadata, fix custom columns values not being cleared
version 2.2
Also clear languages when updating metadata in EPUB
Only keep the most recent release on GitHub

GitHub claims they have no disk quotas for releases, but I dont want to
rely on that.
Update Financial Times
Get Books: Update Gutenberg plugin for changes to the Project Gutenberg website. Fixes #1366245 [EPUB download fails from Project Gutenberg: "can't fetch relative reference: not viewing any document"](https://bugs.launchpad.net/calibre/+bug/1366245)
Fix downloading ebooks from Project Gutenberg via the builtin browser not working because of changes to the Project Gutenberg website. Fixes #1366240 [EPUB download from Project Gutenberg not recognized, errors copying to itself](https://bugs.launchpad.net/calibre/+bug/1366240)
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Merge branch 'master' of https://github.com/cbhaley/calibre
Make the OK and ERR background colors used in the edit metadata dialog a little paler to suit the Fusion theme
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Update Anchorage Daily News
Update American Thinker