Fixed Issues since Linux Mint 18.1 BETA

All editions
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    “unattended-upgrades” should be removed by default.
    upgrade kernel to 4.4.0-53
    mintupdate:
        ‘Most stable recommendation’ is poor English
        kernel upgrades should take kernel series in consideration to recommend the right kernel

Cinnamon Edition
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    Support for RTL languages in vertical panels


MATE Edition
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    The brushed metal mintmenu background isn't set for some Mint-X color variants


Xfce Edition
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KDE Edition
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