revison of includes in lib_util and app and use "common_api_types" wherever applicable

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include "options.h"

#include "lib_dec.h"

#include "cmdl_tools.h"

#include "audio_file_writer.h"

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include "options.h"

#include "lib_enc.h"

#include "cmdl_tools.h"

#include "audio_file_reader.h"

*******************************************************************************************************/

#include "lib_rend.h"

#include <assert.h>

#include <ctype.h>

#include <math.h>

#include <stdbool.h>

#include <stdint.h>

#include <stdio.h>

#include <string.h>

#include "options.h"

#include "audio_file_reader.h"

#include "audio_file_writer.h"

#include "cmdl_tools.h"

#include "cmdln_parser.h"

#include "common_api_types.h"

#include "head_rotation_file_reader.h"

#include "hrtf_file_reader.h"

#include "ism_file_reader.h"

#include "lib_rend.h"

#include "ls_custom_file_reader.h"

#include "masa_file_reader.h"

#include "prot.h"

#ifndef COMMON_API_TYPES_H

#define COMMON_API_TYPES_H

/* options.h needed for debugging/development features

 * It should be stripped for delivery along with debugging switches */

#include "options.h"

#include <stdint.h>

#include <stdio.h>

#include "ivas_error.h"

/*----------------------------------------------------------------------------------*

 * Common API constants

#define LIB_DEC_H

#include "common_api_types.h"

#include "ivas_error.h"

#include <stdbool.h>

#include <stdint.h>

/*---------------------------------------------------------------------*