aix issue 242: improved test, if process runs as child of srcmstr (ka…

…rdianos#302)

Co-authored-by: xca1075 <Christoph.Buescher@atruvia.de>

service: go fmt

Added LimitNOFILE option in systemd configuration (kardianos#94)

Co-authored-by: Daniel Theophanes <kardianos@gmail.com>

remove dep on osext