Default to load test pcap file from home directory.
pcap, pdu_dispatch, test modules updated
include: jdksavdecc_aem_command.h, add type and index fields to the end of LOCK_ENTITY

This commit updates LOCK_ENTITY defines to match 1722.1-2013, section 7.4.2
include: jdksavdecc_world.h, don't include jdksavdecc_print.h as it uses undefined structs
#include print for printing helper structs
Fix include guard
Minor doxygen comments added
Added doxygen docs, Fixed _read to be validated
Added utility functions to get/set eui64 and eui48 from uint64_t
AEM Descriptor storage magic number is “AEM1”
Removed old header magic
descriptor_storage file format now matches reality
Descriptor storage now matches reality, WIP functions
fix doxygen group
Added helper structs and functions for descriptor storage
fixed syntax error
Added define for control descriptor value details maximum length
Added helper function to read the file header into cached location
Remove duplicate doxgen comments. Added placeholder for function to read header from storage header.
Refactored logging to allow different backends. jdksavdecc_log_file_init() for logging to FILE, jdksavdecc_log_aecp_init() for logging via SET_CONTROL unsolicited responses of a UTF8 format control, via a frame_sender.