Fix #1392884 [Static buffer overflow in unrar InitCRC](https://bugs.launchpad.net/calibre/+bug/1392884)
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Track when GUI processes are detached
Fix a regression in 2.10 that causes Adding books from sub-folders, one book per folder to incorrectly add OPF files present in the sub-folders as an extra format. See #1392864 (Errors in book import in 2.10)
Update the version of libimobiledevice bundled with the windows calibre build to support iOS 8
Use the default user shell in the build VMs instead of bash
Fixed libimobiledevice _afc_file_write wrapper to loop until all bytes are written.

_afc_file_write is used by the idevice interface to copy files to the
idevice. This fix has been successfully tested by round tripping a 500
MB file from the PC to the device and back again, and checking that the
before and after files are identical.
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Conversion/Book polishing: Fix ampersands in title/series/publisher/author not being properly escaped. Fixes #1393230 [[Jacket] Ampersands in title/authors/series not parsed](https://bugs.launchpad.net/calibre/+bug/1393230)
Edit metadata dialog: Fix date fields being displayed in the UTC timezone instead of the local timezone, causing the day to be off by one in some timezones. Fixes #1393166 [Wrong date after edit date in bulk edit metadata form](https://bugs.launchpad.net/calibre/+bug/1393166)
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Update some links in the User Manual
Add a link to instructions for setting up a Visual Studio development environment
Fix regression in evaluating composite columns that use other composite columns.

Assume column X uses column Y. If X assigns to template variables then evaluated Y, the variables were cleared. The regression happened because the performance increase changes to use ProxyMetadata also caused X and Y to be evaluated in the same formatter instance where before they were evaluated in separate instances. This triggered a long-standing latent bug where a 'global' local variable dictionary was cleared every time a template was executed. The fix is to make the local variable dict local to the template evaluation instance.
Merge branch 'master' of https://github.com/cbhaley/calibre
Update Nikkei News
Start work on function mode for S&R in the editor
Add function mode support to the saved searches dialog
More builtin search and replace functions