gatt_battery_query: fix event getter

example: fix command line address parsing

example/gatt_battery_query: use address type from advertisement

example: use GAP_SUBEVENT_LE_CONNECTION_COMPLETE instead of HCI_SUBEVENT_LE_CONNECTION_COMPLETE

example/gatt_battery_query: read battery once after connected

examples: unify status stdout format

license: update text

gatt_battery_query: fix warning about set but unused variable

example: improve documentation for gatt_battery_query and gatt_device_information_query

ble/battery_service_client: reimplement polling, add manual poll and API documentation

ble/battery_service_client: add poll interval as param to connect function

ble/battery_service_client: fix polling, remove size check for internal events

example/gatt_battery_query: clean up

ble/battery_service_client: rename event

ble/battery_service_client: implement query services

docu: copy editing examples titles

example/gatt_battery_query: register for notification updates

Use BTSTACK_FILE__ without __ prefix (MISRAC2012-Rule-21.1)

example: document that .h is generated from .gatt

example: register for events after setting up the stack, register for hci events after sm_init()

don't use empty initializer [-Wgnu-empty-initializer]

example/gatt_battery_query: don't disconnect after first battery level value

btstack_stdin: replace stdin_support.[ch] with btstack_stdin.h and platform implementations

example: fix warning for unused argc, argv

tool: add update_filename.py that adds __BTSTACK_FILE__ to every .c file for use with debug output instead of __FILE__