[WIP] Updating cross-sections of processes for both 7 TeV and 8 TeV; updati… n...

...g bash and python scripts for 7 TeV running for samples recently made available.
You can check if the ```hostname``` command includes ```dice.priv``` (or just dice).
Definitely make it clear in the documentation. You can also mention the minimal cmake version (2.6.0 according to CMakeLists.txt).