Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
* NEWS: Mention it.
* interps.h (interp_set_logging_ftype): New typedef.
(struct interp_procs): New field set_logging_proc.
(current_interp_set_logging): Declare.
* interps.c (current_interp_set_logging): New function.
* cli/cli-logging.c: Include interps.h.
(set_logging_redirect): Call current_interp_set_logging.
(pop_output_files): Ditto.
(handle_redirections): Ditto, plus skip ui-out redirect if MI.
* mi/mi-console.h (mi_console_set_raw): Declare.
* mi/mi-console.c (mi_console_set_raw): New function.
* mi/mi-interp.c (saved_raw_stdout): New global.
(mi_set_logging): New function.
(_initialize_mi_interp): Add it to interp procs.
* gdb.mi/mi-logging.exp: New file.
* mi/mi-cmd-break.c: White space.
* mi/mi-cmd-env.c: White space.
* mi/mi-cmds.c: White space.
* mi/mi-cmd-stack.c: White space.
* mi/mi-cmd-var.c: White space.
* mi/mi-console.c: White space.
* mi/mi-getopt.c: White space.
* mi/mi-interp.c: White space.
* mi/mi-main.c: White space.
* mi/mi-out.c: White space.
* mi/mi-parse.c: White space.