updating commander usage in cli.js

setting up for cli https support,
also changed version number to match package.json
certificate parsing function

reads in certs from path and also creates ca chain array if ca
path provided by user
updating creation of _g

creating new git server with certs if the user supplied them
or without if they did not.
changed require path

pointing to current host.js location
Merge pull request #16 from kingcody/feature/cli-https

Feature/cli https