Nyall Dawson f4d703bd38 Fix processing modeler joins are drawn doubled
OCD fix: joins are actually being drawn with two lines going
in both directions. This is totally 100% unacceptable, so
this commit fixes it so they are correctly drawn only with one line.
2017-07-03 10:25:40 +10:00
..
2017-06-27 10:43:14 +02:00
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