Add order for http_user_agent_program
Add order for http_user_agent_program

perlbrew install-cpanm or install-patchperl fail,

    ERROR: Failed to retrieve cpanm executable.

because https://raw.github.com/ provides a certificate with SAN (Subject
Alternative Name) attribute but wget <= 1.12 does not support SAN, so prefer
to use curl.

josl/App-perlbrew,Asuza/App-perlbrew,ptolemarch/App-perlbrew,ptolemarch/App-perlbrew,calid/App-perlbrew,calid/App-perlbrew,rafl/App-perlbrew,Asuza/App-perlbrew,josl/App-perlbrew,ptolemarch/App-perlbrew,rafl/App-perlbrew,Asuza/App-perlbrew,josl/App-perlbrew,rafl/App-perlbrew