add support for configuration::get_strings_desc_string_by_reference()
failure of memory_obj_desc_read should not cause an assert
Merge remote-tracking branch

Conflicts:
	controller/lib/src/memory_object_descriptor_imp.cpp
syntax errors, fix some missing guid -> entity_id translations
Doxygen comment update
add code to dump the maps in the AUDIO_MAP descriptor
return status for jdksavdecc_descriptor_XXXX_read() should be declared locally
Merge pull request #94 from andrew-elder/master

various