* llama-cli: fix crash on wrong server base url by catching exceptions and graceful exit
* review: leaner catch group: json error and standard exception
* tts.cpp : llama tokens console output is done using LOG_INF instead of printf(). Therefore the options '--log-disable' and '--log-file' have now uniform impact on all output.
* added -o option to specify an output file name
* llama-tts returns ENOENT in case of file write error
note : PR #12042 is closed as superseded with this one.
As discussed in PR 'llama-tts : add -o option' (#12042):
* common_params : 'out_file' string is the only output file name parameter left in common_params. It's intended to be used in all example programs implementing an '-o' option.
* cvector-generator, export-lora, imatrix : default output filenames moved from 'common_params' to the 'main()' of each example program.
