add color nodes
fix wire dragging when editor is scrolled
show picker in window bounds
add custom scrollbars
add scrollbar drag events
fix scroll event for Firefox
fix duplicate node selection on doubleclick
fix color setting in drawable nodes
new default example
add depth sorting
fix ellipse drawing

remove double context saving, add beginPath
tur off transition when dragging scrollbar
add sin/cos nodes
add display names to nodes
fix styles for horizontal slider