example: use sdp_create_service_record_handle() for sdp record and assert sdp record buffer is large enough, fixes #489

examples: unify status stdout format

example: init SM if LE supported to avoid issue with Android Cross-Transport Key-Derivation

license: update text

examples: use `btstack_event.h` getters instead of direct array access, use enum to compare status codes

docu: copy editing examples titles

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

example/spp_flowcontrol: fix compile

examples: unify local names and append BD_ADDR

examples: use gap_pin_code_response in examples and tests

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

move 'BTstack up and running' message from examples into port/../main.c

use hci_event_link_key_request_get_bd_addr

use getters in RFCOMM_EVENT_INCOMING_CONNECTION and RFCOMM_EVENT_CHANNEL_OPENED

use hci_event_pin_code_request_get_bd_addr

use btstack_event_state_get_state

events: RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE -> RFCOMM_EVENT_CHANNEL_OPENED

sdp_util: extract sdp_create_spp_service into spp_server and use spp_create_sdp_record

fix msp430 ports

event: introduce hci_event_packet_get_type

examples: move out of embedded subfolder