Output from trace2 subsystem is formatted more prettily now.
* jh/trace2-pretty-output:
trace2: cleanup whitespace in perf format
trace2: cleanup whitespace in normal format
quote: add sq_append_quote_argv_pretty()
trace2: trim trailing whitespace in normal format error message
trace2: remove dead code in maybe_add_string_va()
trace2: trim whitespace in region messages in perf target format
trace2: cleanup column alignment in perf target format