Fix the template editor to grab an empty custom column dictionary so that it can validate use of custom column lookup names.
Merge branch 'master' of https://github.com/cbhaley/calibre
Spell check dialog: Allow sorting words case sensitively
EPUB Input: Ignore guide element marking the first spine item as a cover if the spine contains only a single item
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Fix multiple rows being selectable in the word list of the spell check dialog. Fixes #1309559 [multiple selection in edit books spell checker](https://bugs.launchpad.net/calibre/+bug/1309559)
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Apply changes to dictionary settings even if the user clicks cancel on the preferences dialog
Fix extra spacing between rows in word list of spell check dialog
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Import dictionary: Fix import of some .oxt files failing if their xcu manifest use a different syntax
Edit Book: Fix the Show next occurrence button in the spell check dialog not always working
Fix import of dictionaries that define a locale with no country code
Allow tab key navigation in the word list
Spell check: Fix 'Show net occurrence' sometimes showing the word in an incorrect location, for example in an attribute where spell check is not performed.
Ignore added dictionaries that do not have a country code

These dictionaries were added mistakenly due to a bug in 1.33
Spell check: Fix language declarations not being respected for nested tags. Fixes #1310000 [Language recognition fails in editor with nested tags](https://bugs.launchpad.net/calibre/+bug/1310000)
Manage user dictionaries: Add a button to import a list of words in bulk into the user dictionary
Update Hindustan Times
Scroll word list on pageup/dn and arrow up/dn