basic layout with css
reorganisation
ui.svg
implemented pan/zoom function
impl. event system, integrating objects
impl. event system, integrating objects
integrating...
added buttons
basic functionality complete
small bugfix
scalable points
popup implementation started
finished popup
Merge branch 'renaming' into dev
basic bezier curve
different helper if internal points
overlap detection
creation and delete of contour points
bugfix
Merge branch 'bezier' into dev