Allow libavoid actions to be processed without rerouting connectors.
Add debug overlays for initial and improved libavoid routes.
Fix a checkpoints bug in orthogonal topology improvement.
Update from the Adpatagrams repository.
Miscellaneous code cleanup.
Code cleanup for constraint Relationship class.
Fixes for Windows builds.
Draw page and canvas background colour in canvas overview.

Draws the canvas overview to better reflect the canvas by showing the
same background colour and the page outline where one is set for the
canvas.  Plus, the canvas now has an option allowing the user to set
a specific canvas background colour.
Update from the Adpatagrams repository.
Fix a crash when quitting with an unsaved document.
Add missing libavoid header.
Update Garuda plugin to work with Jan13 core version.
Update libsbml macports definition to 5.7.0+layout.
Make sure resources folder exists before copy Garuda files.
Merge branch 'master' of https://github.com/mjwybrow/dunnart
Lots of changes lumped together.
Added GarudaGadget class, to generalize AppGarudaClient, and
provide for a general c++ (+ Qt) API for Garuda.
Working on handling CellDesigner tags in Sminthopsys plugin.
Put the fileio and shapes plugins for Sminthopsys into the one
application plugin.
Shut off some of the broken things with DSBCompartment, for
demo purposes.