Displaced photons package
setenv SCRAM_ARCH slc6_amd64_gcc481 (get the architecture)
scramv1 project -n CMSSW_7_1_0_DP CMSSW CMSSW_7_1_0
cd CMSSW_7_1_0_DP/src/
git clone https://github.com/sigamani/EXO
git fetch https://github.com/sigamani/EXO rel7:rel7
cd EXO
tar -xvf RecoMET.tar
scramv1 b clean ; scramv1 b
The next step should be to run over some AOD files, but that doesn't quite work yet.