update knife to 0.0.3
migrate Vagrant 2 config, and fix problem which causes slow network
use xbuild instead of plenv to install perl 5.16.3
fix docs to use knife solo
mistake port forwarding
use /usr/local/perl-prepan instead of /usr/local/bin/perl-5.16.3
Merge pull request #6 from CPAN-API/use-xbuild

use xbuild-perl to run application