Switch to CRLF as line terminator for CSVs

CRLF ending is dictated by RFC 4180. So we use it to be nice citizens.

Change-Id: I6c5a05937a589b56624e39d78cac409e09ebaf6a
Allow to force recomputation of existing data

Change-Id: Ida9d515ca5033e51a105624ed9f41325d658485a
Add total column for project aggregation CSVs

While the total column does not add new information, it eases direct
plotting.

Change-Id: Ib62841200da246763efb6b9550df2b5af52be505
Sort list of CSVs before iterating over them for projectcount aggregation

Having the list of CSVs sorted gives a better feeling of how much work
is still to be done for a given day in verbose mode, which prints the
CSV names.

Change-Id: Ieaffc02e79aa60f13c8af5933bb4286091d7be77