ScribbleArea: move method moveOn() to ToolSet

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branch : ToolOn
ScribbleArea: move method penOn() to ToolSet

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branch : ToolOn
ToolSet: fix compile error

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branch : ToolOn
ScribbleArea: move methods to ToolSet, includes handOn(), polylineOn(),
bucketOn(), eyedropperOn(), brushOn(), smudgeOn().

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branch : ToolOn
ToolSet: fix brush connection

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branch : ToolOn
Merge with ToolOn