Merge pull request #108 from senkin/new_binning

New binning from DailyPythonScripts/pull/120
Updating cross-sections of processes for both 7 TeV and 8 TeV; updating bash and python scripts for 7 TeV running for samples recently made available.
Updating filepaths and numbers of processed events for new 8TeV v11 ntuples.
Updating filepaths to read ntuples from hdfs.
Final changes to scripts for running on v11 8 TeV nTuples.
Updating test_cfg.py for v11 and new file paths.
updating README with details of setting up on DICE.