Added tag gnome-shell-3.6 for changeset 878175915d68
changed the panel bg color

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branch : MediterraneanTributeDark
Added tag brx-DefaultMod-Med-3.6 for changeset f0621b09b53b

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branch : MediterraneanTributeDark
branch for gnome-shell 3.8

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branch : gnome-shell-3.8
imports gnome-shell-3.8 css and addedd dash-to-dock extension support

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branch : gnome-shell-3.8