Fix modelines
Units: stop newing Unit objects. pass around pointers to "undeletable" Unit objects in the UnitTable. I think we should move to using indexed units, and pass around the index of the unit in the unittable, or smth like that... ?
Rewrite the internals of the unit code for somewhat better performance
Switched to global UnitTable.
Drop support for GTK+ < 2.24
Replace old ComboText with Gtk::ComboBoxText
Fixing more broken and split doc comments.
Doxygen cleanup.
unitmenu: add method to add a unit
add new preference widget for a number with a unit. change Preferences > Steps to this new widget
moving trunk for module inkscape