TODO

QSvgStyle
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* Rework animation framework

* add ability for widgets to alter qsvgstyle theme config by using
  dynamic widget properties. e.g. qsvgstyle.frame.width=3
* replace dir,orn pair by a rot/flip variable
* renderElement: should take into account dir,orn

* use environment variable QSVGSTYLE_THEME to override active theme stored
  in qsvgstyle.cfg

-- Menu items
* add option to merge menu bar item with its menu (like a tab and its contents)

-- Capsules
*  render capsule separators after interior: renderCapsuleSeparator()

QSvgThemeBuilder
----------------
* add magnifier tool
* add measure tool/tracer
* add 'revert' button for each setting
* add 'clear menu' action in recent files menu
* SVG generator: when colorizing the interior, add option to include first
  frame
* move global specific tree widget to indivudial per widget settings in
  separate tab

QSvgThemeManager
----------------
* Implement theme download
* Implement local theme import
* Implement local theme delete/update

QSvgWidgetFactory
-----------------
* TODO