Issue #25: Fix more bugs and allow to insert multiple universities

scripts/expenses/config.sh

scripts/expenses/create_expenses_config.py

scripts/expenses/insert_expenses.sh

scripts/expenses/logstash_config.example

scripts/expenses/resume_expenses.sh

scripts/expenses/tmp.sh

scripts/travel_allowances/config.sh

scripts/travel_allowances/create_travel_allowance_config.py

scripts/travel_allowances/insert_travel_allowances.sh

scripts/travel_allowances/logstash_config.example

scripts/travel_allowances/resume_travel_allowance.sh

scripts/workers/config.json.example

scripts/workers/config.sh

scripts/workers/create_config.py

scripts/workers/insert_register_payment.sh

scripts/workers/logstash_config.example

scripts/workers/logstash_config_2013.example

scripts/workers/merge_files_es.py

scripts/workers/resume_register.sh