Sanitize the environment before spawning by preventing influence of the GEM_PATH from the parent process to the child process. Not sanitizing on 1.8.7 as the popen3 call doesn't accept an env argument on pre-1.9.
Sanitize the environment before spawning by preventing influence of the
GEM_PATH from the parent process to the child process.
Not sanitizing on 1.8.7 as the popen3 call doesn't accept an env argument
on pre-1.9.

brianhks/librarian-puppet,jbussdieker/librarian-puppet,rodjek/librarian-puppet,rbramwell/librarian-puppet,Qualys/librarian-puppet