Fixing issue with extra ShellUtils file
Merge pull request #755 from grkvlt/shell-utils

Fixing issue with extra ShellUtils file
config option to cause use of pseudorandom device /dev/urandom -- handy in clouds where /dev/random is not configured properly
and we don't need super high security
Merge pull request #761 from ahgittin/feature/urandom

config option to cause use of pseudorandom device /dev/urandom