sdp_query_util: inline into sdp_util and sdp_client

doc: clean better

Merge branch 'master' into ble-api-cleanup

sdp_query: pass in packet handler on query instead of global registration. integrate sdp_parser into sdp_client

docs: update files to parse for API docu

rename sdp -> sdp_server

split remote_device_db into btstack_link_key_db and btstack_device_name_db

use little/big_endian_read/store_16/24/32

use for event types

remove btstack_control_h from hci_init. mark btstack_control, hci_transport, and hci_transport_config as const

btstack-config.h -> btstack_config.h

ble: ancs_client_lib -> ancs_client, example: ancs_client -> ancs_client_demo

drop _internal from doc and remaining places

rfcomm: drop _internal

l2cap: drop _internal

hci_cmds -> hci_cmd

hci_transport_h4_[ehcill_]_dma -> hci_transport_h4_[ehcill_]_embedded

use hci_transport_TYPE_instace() consistently. Fix iOS port build

prefix data_source_t and timer_source_t with btstack

prefix run_loop_ functions with btstack_

forgot to add files in earlier commit

fix path to ports

run_loop: pass in run_loop_X_get_instance() to run_loop_init(). Various other fixes

integrate gap_le.h into gap.h

fix paths to headers files for docs