hid examples: use name 'message' instead of report in send report function

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

example/hid_keyboard_demo: remove duplicate usage page (Key Code) for modifier byte

example/hid_keyboard_demo: queue keys via ringbuffer

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

license: update text

example/hid_keyboard_demo: use report id to 0x01

example/hid_keyboard_demo: fix win10 latency

example/hid_keyboard_demo: enable sniff mode with sniff subrating

hid_device: provide SDP record params by struct

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

hid examples: update documentation

hid_device: add BLUETOOTH_ATTRIBUTE_HID_NORMALLY_CONNECTABLE to SDP record and an input param to hid_create_sdp_record function

hid_device: add hid_remote_wake attribute to API

add missing default switch cases

docu: copy editing examples titles

hid examples: allow for role switch and sniff mode

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

hid_demo: fix compile

hid_device/example: fix compile

hid_device examples: fix api calls

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

example/hid_keyboard_demo: connect to fixed remote device on first keypress

docu: add example tags, fix table for pdf

hid_keyboard_demo: add Device ID service record