Rewrite the overview to reflect the TCS paper
Rewrite the overview to reflect the TCS paper

matyasselmeci/htcondor-ce,brianhlin/htcondor-ce,opensciencegrid/htcondor-ce,matyasselmeci/htcondor-ce,matyasselmeci/htcondor-ce,brianhlin/htcondor-ce,opensciencegrid/htcondor-ce,opensciencegrid/htcondor-ce,brianhlin/htcondor-ce