Summarize data

Please, check my code!
I forgot to include some kind of readme.st. To test custom command:
python manage.py summarize [date YYYY-MM-DD] [--nodeletion]
If you pass no parameters it summarizes current date minus 15 days (single day and no a 15-days period)
@garciaae remember that okapi is an open source project. Everything we put here is readable to everybody so we need to be very careful with this.

run.sh is not a big deal but it is actually exposing how we open ports for each developer.

Really, we don't want to make the project private, just be concious, please.