Edit book: Fix tab characters not being identified in the lower right corner. Fixes #1267980 [Edit Book: Tabs are not identified in the lower left corner](https://bugs.launchpad.net/calibre/+bug/1267980)
If toc or chapter xpaths select an attribute use that attribute in place of the element's text when creating the TOC. (ie --level1-toc //h:h1/@title )
Conversion: Allow getting text for entries int he Table of Contents from tag attributes. Fixes #1267837 [[Enhancement] option to always use title attribute for chapter titles in TOC](https://bugs.launchpad.net/calibre/+bug/1267837)
Device view: Allow searching the tags of books that match books in the calibre library by prefix the search term with tags:
Potential fix for lp:1268058, waiting for metadata to become writeable on iDevice.
EPUB Output: Fix splitting of large HTML files removing all child tags from inside <pre> tags. Fixes #1267327 [Private bug](https://bugs.launchpad.net/calibre/+bug/1267327)
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HTML Input: Fix UTF-16/32 encoded files that are linked to from the parent file not being properly processed. Fixes #1268262 [convert html file encoded as utf-16 fail to include image files and have wrong order](https://bugs.launchpad.net/calibre/+bug/1268262)
Update NY Times some more
Refactor dialog base class into its own module for easier re-use
Diagnostic improvements for Windows
Merge branch 'master' of https://github.com/kovidgoyal/calibre
iTunes driver: Retry automatically a few times when failing to send multiple book to iTunes. Fixes #1268058 [Error when trying to send multiple books to iBooks](https://bugs.launchpad.net/calibre/+bug/1268058)

Merge branch 'master' of https://github.com/GRiker/calibre
AZW3 Output: When converting EPUB files that include an HTML titlepage no external cover is specified, ensure that the Go to cover action on the Kindle goes to the cover image and not the html titlepage. Fixes #1268657 [Wrong metadata.opf generated for cover in EPUB to AZW3 conversion](https://bugs.launchpad.net/calibre/+bug/1268657)
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Edit book: Add a new tool to automatically arrange all files in the book into folders based on their type. Access it via Tools->arrange into folders.
Documentation for the arrange into folders tool
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Edit book: Add checks for filenames containing URL unsafe characters to the Check Book tool