Inkscape 0.46

Highlights in this release:
* Paintbucket tool
* Tweak tool
* 3D Box tool
* Live path effects
* Color management
* New SVG filters and UI
* Native PDF and AI import
* XAML import/export
* Open Clip Art Library integration (import/export)
* Stock patterns
* Bitmap editing extension effects
* Full on-canvas gradient editing
* Engraver's Toolbox in the Calligraphic tool
* Touch selection
* Dockable dialogs
* Command-line access to verbs
* Snapping made usable
* "3D" / axonometric grid
* Angled guidelines
* Conversion of objects to guidelines
* Significant speed and interactivity improvements
* Hundreds of smaller features and bugfixes