Update launchd template (kardianos#346) * Update XML prolog and DTD Also converts single-quotes to double-quotes * Remove whitespace from parent dict * Only populate EnvironmentVariables when available * Only add additional arguments when defined Also cleans up whitespace around each argument * Cleanup whitespace and only populate when defined * Convert remaining spaces to tabs * Sort keys. Similar to `plutil -convert xml1`

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