Prevent stale ondevice info from showing during connections by emptying the device databases on disconnect. See http://www.mobileread.com/forums/showthread.php?t=249540
Adding Bubok Portugal store to the search plugins

Bubok Portugal is a publisher, store and library with a big book data
base from portugal
Get Books: Add the Bubok Portugal store

Merge branch 'master' of https://github.com/bubok/calibre
Update Boston Globe
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Add missing languages for various recipes
Fix #1389942 [Little typo?](https://bugs.launchpad.net/calibre/+bug/1389942)
Fix #1389945 [Little typo](https://bugs.launchpad.net/calibre/+bug/1389945)
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Fix #1389949 [Little typo?](https://bugs.launchpad.net/calibre/+bug/1389949)
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Edit Book: Report failures to launch the worker process used for rendering the previews
Work around refs not being translated in simple index
Cover Grid: Improve scroll wheel based scrolling.

On windows and linux a single "tick" of the wheel now scrolls by about
half a row. On OS X, scrolling is pixel based, so as you scroll faster,
more content is scrolled.
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Extra robustness
Don't take out the "reset_only" parameter
Merge branch 'master' of https://github.com/cbhaley/calibre
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Linux: Name all threads started by calibre at the OS level for nicer debugging