Initial empty code for tooltip window manager
Rainbow QuickInfo tooltip working with a sample message
ToolTipWindow now actually shows formatted text, but viewport left isn't quite right
Improvements to Rainbow tooltips, including view positioning, correctly disposing the view and handling zoomed windows
Improvements to Rainbow tooltips, including view positioning, correctly disposing the view and handling zoomed windows
Get rid of border on TipWindow
Initial implementation for rainbow tooltips (Issue #77)