Added more intelligent port selection and routing inside parentBoxes.
Removed printPoints method in ArPort.
Merge branch 'master' into autorouter_port
Minor code cleanup.
Merge branch 'master' into autorouter_port
Fixed minor bugs.
Fixed bug with incorrect indices with connections.
Fixed removeFromBufferBoxes bug.
Fixed infinite loop with hugChildren in some corner cases.
Fixed bug with connection creation.
exporting funciton now enhanced (set attributes and registry now exported in both direction)
Merge branch 'autorouter_port'
Merge branch 'master' into develop-r