[571093] fixed layouter connection collection

This commit reworks the connection collection for FBNetworks, which is
used to build the ELK-graph on which the layout is calculated.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=571093
Change-Id: I2323bca0e8fe242fb1b21131dfa9c7b4ff02d402
Signed-off-by: Daniel Lindhuber <daniel.lindhuber@jku.at>
1 file changed