Changes since CMSSW_4_4_6:
- #2531 from @vlimant: use the das client attached to the release in the matrix
- #2426 from @vlimant: fix for --filein das: --filein dbs: options
- #2423 from @vlimant: dbs to das migration in 4.4
External tool changes sicne CMSSW_4_4_6
- py2-cjson 1.0.5
- py2-pycurl 7.19.0
- das-client 1.11.7
- SCRAMV1 V2_2_5_pre5
- cms-git-tools v0.12.0
- git 1.8.3.1