setup-gerrit: Allow ssh-only repo URLs
setup-gerrit: Allow ssh-only repo URLs

Honor the $username placeholder in the 'gerrit.url' configuration value.
Configure a separate pushurl only if it is different from the main url.

mspark93/VTK,essamjoubori/geojs,jasonli2000/VistA,timmvt/VistA_tt,OSEHRA-Sandbox/VistA,SimpleITK/SimpleITK,cdeepakroy/TubeTK,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,blowekamp/SimpleITK,jmerkow/VTK,sankhesh/VTK,msmolens/VTK,demarle/VTK,chuckatkins/KWSys,ghutchis/avogadroapp,jcfr/Midas,wadejong/avogadroapp,InsightSoftwareConsortium/ITKExamples,shabiel/VistA,keithroe/vtkoptix,mspark93/VTK,candy7393/VTK,OpenGeoscience/geojs,shabiel/VistA,jcfr/Midas,sumedhasingla/VTK,josephsnyder/VistA,KitwareMedical/TubeTK,ghutchis/avogadroapp,blowekamp/SimpleITK,mspark93/VTK,OpenChemistry/avogadroapp,OSEHRA-Sandbox/VistA,gram526/VTK,thewtex/TubeTK,thewtex/TubeTK,sankhesh/VTK,Sprunth/RGG,aylward/ITKTubeTK,KitwareMedical/ITKTubeTK,jmerkow/VTK,chuckatkins/KWSys,OpenGeoscience/vgl,aylward/ITKTubeTK,OSEHRA-Sandbox/VistA,keithroe/vtkoptix,thewtex/TubeTK,matthieuheitz/TubeTK,josephsnyder/VistA,timmvt/VistA_tt,dcjohnston/geojs,richardbeare/SimpleITK,shabiel/VistA,mdgeek/VistA-FHIR-CWF,cdeepakroy/TubeTK,SimpleITK/SimpleITK,OSEHRA-Sandbox/VistA,blowekamp/SimpleITK,richardbeare/SimpleITK,InsightSoftwareConsortium/ITKExamples,richardbeare/SimpleITK,jcfr/Midas,dcjohnston/geojs,Kitware/geojs,InsightSoftwareConsortium/SimpleITK,LucasGandel/TubeTK,kaspermarstal/SimpleElastix,LucasGandel/TubeTK,matthieuheitz/TubeTK,sumedhasingla/VTK,ghutchis/avogadroapp,jmerkow/VTK,msmolens/VTK,SimpleITK/SimpleITK,Sprunth/RGG,matthieuheitz/TubeTK,KitwareMedical/ITKTubeTK,matthieuheitz/TubeTK,chuckatkins/KWSys,blowekamp/SimpleITK,jmerkow/VTK,mdgeek/VistA-FHIR-CWF,Kitware/geojs,blowekamp/SimpleITK,demarle/VTK,sumedhasingla/VTK,OSEHRA/VistA,sumedhasingla/VTK,jmerkow/VTK,InsightSoftwareConsortium/SimpleITK,OSEHRA/HealtheMe,demarle/VTK,SimVascular/VTK,sankhesh/VTK,josephsnyder/VistA,sumedhasingla/TubeTK,InsightSoftwareConsortium/ITKExamples,apexdatasolutions/VistA,timmvt/VistA_tt,demarle/VTK,candy7393/VTK,essamjoubori/geojs,SimVascular/VTK,OpenGeoscience/vgl,gram526/VTK,richardbeare/SimpleITK,dcjohnston/geojs,SimpleITK/SimpleITK,OpenChemistry/avogadroapp,jcfr/Midas,gram526/VTK,candy7393/VTK,sankhesh/VTK,KitwareMedical/ITKTubeTK,SimVascular/VTK,keithroe/vtkoptix,SimVascular/VTK,msmolens/VTK,dcjohnston/geojs,keithroe/vtkoptix,josephsnyder/VistA,InsightSoftwareConsortium/SimpleITK,InsightSoftwareConsortium/SimpleITK,KitwareMedical/TubeTK,candy7393/VTK,Sprunth/RGG,OpenChemistry/avogadroapp,sankhesh/VTK,thewtex/TubeTK,candy7393/VTK,josephsnyder/VistA,demarle/VTK,sankhesh/VTK,gram526/VTK,jasonli2000/VistA,cdeepakroy/TubeTK,SimVascular/VTK,apexdatasolutions/VistA,apexdatasolutions/VistA,SimpleITK/SimpleITK,apexdatasolutions/VistA,msmolens/VTK,msmolens/VTK,aylward/ITKTubeTK,jcfr/Midas,OpenGeoscience/vgl,SimVascular/VTK,candy7393/VTK,mspark93/VTK,timmvt/VistA_tt,keithroe/vtkoptix,SimpleITK/SimpleITK,gram526/VTK,sumedhasingla/VTK,sumedhasingla/TubeTK,SimVascular/VTK,msmolens/VTK,richardbeare/SimpleITK,timmvt/VistA_tt,OSEHRA-Sandbox/VistA,keithroe/vtkoptix,cdeepakroy/TubeTK,OpenGeoscience/vgl,blowekamp/SimpleITK,keithroe/vtkoptix,sankhesh/VTK,ghutchis/avogadroapp,demarle/VTK,OpenGeoscience/geojs,mspark93/VTK,sumedhasingla/VTK,mspark93/VTK,kaspermarstal/SimpleElastix,mdgeek/VistA-FHIR-CWF,msmolens/VTK,OpenChemistry/avogadroapp,SimpleITK/SimpleITK,sankhesh/VTK,InsightSoftwareConsortium/SimpleITK,kaspermarstal/SimpleElastix,sumedhasingla/TubeTK,shabiel/VistA,msmolens/VTK,wadejong/avogadroapp,InsightSoftwareConsortium/ITKExamples,kaspermarstal/SimpleElastix,candy7393/VTK,shabiel/VistA,sumedhasingla/VTK,SimpleITK/SimpleITK,jasonli2000/VistA,jcfr/Midas,jmerkow/VTK,kaspermarstal/SimpleElastix,InsightSoftwareConsortium/ITKExamples,aylward/ITKTubeTK,gram526/VTK,OSEHRA/HealtheMe,wadejong/avogadroapp,OSEHRA/VistA,candy7393/VTK,demarle/VTK,essamjoubori/geojs,mspark93/VTK,InsightSoftwareConsortium/SimpleITK,OSEHRA/VistA,keithroe/vtkoptix,sumedhasingla/TubeTK,blowekamp/SimpleITK,mspark93/VTK,apexdatasolutions/VistA,Kitware/geojs,richardbeare/SimpleITK,demarle/VTK,SimVascular/VTK,OSEHRA/VistA,richardbeare/SimpleITK,OpenGeoscience/geojs,shabiel/VistA,gram526/VTK,jmerkow/VTK,mdgeek/VistA-FHIR-CWF,LucasGandel/TubeTK,richardbeare/SimpleITK,josephsnyder/VistA,OSEHRA-Sandbox/VistA,sumedhasingla/VTK,mdgeek/VistA-FHIR-CWF,jmerkow/VTK,OSEHRA/VistA,InsightSoftwareConsortium/SimpleITK,blowekamp/SimpleITK,mdgeek/VistA-FHIR-CWF,gram526/VTK,KitwareMedical/TubeTK,Sprunth/RGG,InsightSoftwareConsortium/SimpleITK,chuckatkins/KWSys,KitwareMedical/TubeTK,essamjoubori/geojs,jasonli2000/VistA,LucasGandel/TubeTK,OSEHRA/HealtheMe,KitwareMedical/ITKTubeTK,OSEHRA/VistA