skin: add new skins

add StackSplitFrame
add CoinPickupFrame
update ColorPickerFrame
add OpacityFrame
add TutorialFrame
add QuestTimerFrame

skins/blizzard/miscellaneous.lua

@@ -0,0 +1,56 @@
+pfUI:RegisterSkin("StackSplitFrame", function ()
+  StripTextures(StackSplitFrame)
+  CreateBackdrop(StackSplitFrame, nil, nil, .75)
+
+  SkinButton(StackSplitOkayButton)
+  SkinButton(StackSplitCancelButton)
+end)
+
+pfUI:RegisterSkin("CoinPickupFrame", function ()
+  StripTextures(CoinPickupFrame)
+  CreateBackdrop(CoinPickupFrame, nil, nil, .75)
+
+  SkinButton(CoinPickupOkayButton)
+  SkinButton(CoinPickupCancelButton)
+end)
+
+pfUI:RegisterSkin("ColorPickerFrame", function ()
+  CreateBackdrop(ColorPickerFrame)
+
+  ColorPickerFrameHeader:SetTexture("")
+
+  SkinButton(ColorPickerOkayButton)
+  ColorPickerOkayButton:ClearAllPoints()
+  ColorPickerOkayButton:SetPoint("BOTTOMRIGHT", ColorPickerFrame, "BOTTOM", -4, 10)
+  SkinButton(ColorPickerCancelButton)
+  ColorPickerCancelButton:ClearAllPoints()
+  ColorPickerCancelButton:SetPoint("BOTTOMLEFT", ColorPickerFrame, "BOTTOM", 4, 10)
+
+  SkinSlider(OpacitySliderFrame)
+end)
+
+pfUI:RegisterSkin("OpacityFrame", function ()
+  CreateBackdrop(OpacityFrame, nil, true, .75)
+
+  SkinSlider(OpacityFrameSlider)
+  OpacityFrameSlider:ClearAllPoints()
+  OpacityFrameSlider:SetPoint("CENTER", 0, 0)
+end)
+
+pfUI:RegisterSkin("TutorialFrame", function ()
+  CreateBackdrop(TutorialFrame, nil, true, .75)
+  --[[
+    for i = 1, MAX_TUTORIAL_ALERTS do
+    local button = _G["TutorialFrameAlertButton"..i]
+    end
+  --]]
+  SkinCheckbox(TutorialFrameCheckButton)
+  SkinButton(TutorialFrameOkayButton)
+end)
+
+pfUI:RegisterSkin("QuestTimerFrame", function ()
+  CreateBackdrop(QuestTimerFrame, nil, nil, .75)
+  --EnableMovable(QuestTimerFrame) -- Does not work! I need to fix it later! point update in UIParent_ManageFramePositions
+
+  QuestTimerHeader:Hide()
+end)