reworked the externals for V7_0-branch to upgrade pcre. V7_0_0_EXT uses pcre-5.0.  V7_0_1_EXT uses pcre-7.6.
reworked the externals for V7_0-branch to upgrade pcre.
V7_0_0_EXT uses pcre-5.0.  V7_0_1_EXT uses pcre-7.6.

neurodebian/htcondor,djw8605/condor,neurodebian/htcondor,zhangzhehust/htcondor,htcondor/htcondor,djw8605/condor,bbockelm/condor-network-accounting,neurodebian/htcondor,mambelli/osg-bosco-marco,neurodebian/htcondor,mambelli/osg-bosco-marco,htcondor/htcondor,htcondor/htcondor,mambelli/osg-bosco-marco,djw8605/condor,djw8605/condor,zhangzhehust/htcondor,zhangzhehust/htcondor,djw8605/htcondor,bbockelm/condor-network-accounting,djw8605/htcondor,djw8605/condor,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,htcondor/htcondor,zhangzhehust/htcondor,neurodebian/htcondor,htcondor/htcondor,mambelli/osg-bosco-marco,djw8605/condor,htcondor/htcondor,htcondor/htcondor,bbockelm/condor-network-accounting,zhangzhehust/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,bbockelm/condor-network-accounting,djw8605/condor,zhangzhehust/htcondor,djw8605/condor,zhangzhehust/htcondor,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,djw8605/htcondor,djw8605/htcondor,neurodebian/htcondor,neurodebian/htcondor,htcondor/htcondor,mambelli/osg-bosco-marco,djw8605/htcondor,neurodebian/htcondor,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,djw8605/htcondor,bbockelm/condor-network-accounting,djw8605/htcondor,djw8605/htcondor,djw8605/htcondor,zhangzhehust/htcondor