Improve directory tree, fix README and scripts and improve documentation

.gitignore

README

insert_register_payment.sh

scripts/curl/get.sh

scripts/curl/rename_index.sh

scripts/expenses/add_expenses.sh

scripts/expenses/create_expenses_config.py

scripts/expenses/insert_expenses.sh

scripts/expenses/process_expenses.sh

scripts/expenses/resume_expenses.sh

scripts/expenses/unzip.sh

scripts/expenses/unzipCaller.sh

scripts/workers/add_registers.sh

scripts/workers/config.json.example

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