different databasehandling improvements & trackservice

.idea/workspace.xml

configuration/aura.ini

guru.py

libraries/base/calendar.py

libraries/database/broadcasts.py

libraries/database/database.py

libraries/database/statestore.py

libraries/exceptions/exception_logger.py

modules/communication/liquidsoap/communicator.py

modules/scheduling/scheduler.py

modules/tools/padavan.py

test.py