* cp msg to remove the space
* no orphans
* cleanup
* parse using istringstream
* add test
* split files
* cleanup
* add parser.cc to files_common
* add test for build message
* use > 0
* cleanup
* test proc/self/stat
* more test
* dd
* fix bug
* update test
* refactor pidStat
* cleanup
* test exe
* check procs size in message
* rename pidStat->ProcStat
* don't use util::format_string
* robust pids()
* catch conversion exception
* fix softirq
* udpate test
* use istringstream
* use REQUIRE_THAT&cleanup
* reserve vector of procStats
* use istream to parse cmdline
* cleanup
old-commit-hash: d0fa98931b