QUIC: refactored packet processing. - split ngx_quic_process_packet() in two functions with the second one called ngx_quic_process_payload() in charge of decrypring and handling the payload - renamed ngx_quic_payload_handler() to ngx_quic_handle_frames() - moved error cleanup from ngx_quic_input() to ngx_quic_process_payload() - moved handling closed connection from ngx_quic_handle_frames() to ngx_quic_process_payload() - minor fixes

make -f misc/GNUmakefile release

the required tools:
*) xsltproc to build CHANGES,
*) xslscript.pl ( http://hg.nginx.org/xslscript ) to build XSLTs
   from XSLScript sources.


make -f misc/GNUmakefile icons

the required tool:
*) netpbm to create Win32 icons from xpm sources.