1. better CMakeLists.txt
	1. rule for libtiff
	2. check for 64bit machine with /usr/lib64 instead of /usr/lib

2. better RxFax
	a. more options
	b.  <tzafrir> ast_config_AST_LOG_DIR

3. better TxFax
	a. more options
	b.  <tzafrir> ast_config_AST_LOG_DIR

4. app_confcall.c
	b. intensive testing

