git-gerrit-push: Avoid bash history expansion
git-gerrit-push: Avoid bash history expansion

Protect '!' characters in single quotes.

SimVascular/VTK,keithroe/vtkoptix,demarle/VTK,sankhesh/VTK,kaspermarstal/SimpleElastix,blowekamp/SimpleITK,kaspermarstal/SimpleElastix,richardbeare/SimpleITK,SimVascular/VTK,richardbeare/SimpleITK,jmerkow/VTK,mspark93/VTK,mspark93/VTK,blowekamp/SimpleITK,InsightSoftwareConsortium/SimpleITK,blowekamp/SimpleITK,blowekamp/SimpleITK,msmolens/VTK,SimpleITK/SimpleITK,demarle/VTK,gram526/VTK,demarle/VTK,blowekamp/SimpleITK,SimVascular/VTK,jmerkow/VTK,msmolens/VTK,sankhesh/VTK,gram526/VTK,jmerkow/VTK,candy7393/VTK,jmerkow/VTK,demarle/VTK,InsightSoftwareConsortium/SimpleITK,InsightSoftwareConsortium/SimpleITK,demarle/VTK,keithroe/vtkoptix,keithroe/vtkoptix,keithroe/vtkoptix,SimVascular/VTK,kaspermarstal/SimpleElastix,richardbeare/SimpleITK,SimpleITK/SimpleITK,SimpleITK/SimpleITK,sankhesh/VTK,sumedhasingla/VTK,InsightSoftwareConsortium/SimpleITK,msmolens/VTK,gram526/VTK,richardbeare/SimpleITK,candy7393/VTK,sankhesh/VTK,sankhesh/VTK,keithroe/vtkoptix,SimVascular/VTK,jmerkow/VTK,InsightSoftwareConsortium/SimpleITK,InsightSoftwareConsortium/SimpleITK,msmolens/VTK,SimVascular/VTK,richardbeare/SimpleITK,gram526/VTK,mspark93/VTK,SimVascular/VTK,jmerkow/VTK,blowekamp/SimpleITK,InsightSoftwareConsortium/SimpleITK,sumedhasingla/VTK,InsightSoftwareConsortium/SimpleITK,msmolens/VTK,kaspermarstal/SimpleElastix,sumedhasingla/VTK,demarle/VTK,msmolens/VTK,sankhesh/VTK,SimpleITK/SimpleITK,kaspermarstal/SimpleElastix,demarle/VTK,demarle/VTK,candy7393/VTK,jmerkow/VTK,SimpleITK/SimpleITK,SimpleITK/SimpleITK,richardbeare/SimpleITK,mspark93/VTK,richardbeare/SimpleITK,keithroe/vtkoptix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,jmerkow/VTK,candy7393/VTK,sankhesh/VTK,keithroe/vtkoptix,sumedhasingla/VTK,gram526/VTK,candy7393/VTK,SimVascular/VTK,sumedhasingla/VTK,sankhesh/VTK,blowekamp/SimpleITK,mspark93/VTK,blowekamp/SimpleITK,msmolens/VTK,sumedhasingla/VTK,richardbeare/SimpleITK,gram526/VTK,gram526/VTK,candy7393/VTK,SimpleITK/SimpleITK,candy7393/VTK,sumedhasingla/VTK,candy7393/VTK,gram526/VTK,mspark93/VTK,keithroe/vtkoptix,SimpleITK/SimpleITK,msmolens/VTK,mspark93/VTK,sumedhasingla/VTK,mspark93/VTK