Updated calibre to 2.79.1.

2.79.1

New Features

    Windows: Make recently opened books show up in the jump lists for the standalone viewer and editor programs
    OS X/Linux: Show an informational popup message when an Android device is plugged in that needs the user to tap Allow for the connection to work.
    Conversion: Log options that are different from the defaults separately, for easy reference

Bug Fixes

    2.79.1 fixes a regression in 2.79.0 that broke the file open dialogs on windows vista
    Conversion: Fix regression that broke conversion of some epub files when using the 'Remove first image' option.
    Get Books: Update Kobo plugin for website changes
    Windows MTP driver: Fix error when enumerating device storage not being reported during debug device detection
    Tag Browser: When dragging and dropping a book onto a series increment the series number.
    Fix crash when generating covers with Qt 5.8 on linux
    Fix Get Books result list and jobs list not being populated on Qt 5.8
    Fix importing rules in the coloring/icon rules dialog not enabling the apply button

(wiz)