offset rectangular junction  now supports returning a 2-port  this should only be used when appropriate, ie when symetry holds
offset rectangular junction  now supports returning a 2-port 
this should only be used when appropriate, ie when symetry holds

fixed imports in variational methods to be more specific and relative


hohe/scikit-rf,temmeand/scikit-rf,aerialist/scikit-rf,hohe/scikit-rf,Ttl/scikit-rf,Ttl/scikit-rf,gibbons/scikit-rf,scikit-rf/scikit-rf,hohe/scikit-rf,jhillairet/scikit-rf,jhillairet/scikit-rf,aerialist/scikit-rf,jhillairet/scikit-rf,willhaines/scikit-rf,willhaines/scikit-rf,temmeand/scikit-rf,willhaines/scikit-rf,hohe/scikit-rf,willhaines/scikit-rf,scikit-rf/scikit-rf,gibbons/scikit-rf,Ttl/scikit-rf,gibbons/scikit-rf,aerialist/scikit-rf,temmeand/scikit-rf,Ttl/scikit-rf