Need to install runit to make 'chpst' work.

Many jobs are started by using chpst in ctl files. I think we need to add it as part of the stemcell instead of report executing failed in nise_bosh.
Merge pull request #10 from resouer/patch-1

Need to install runit to make 'chpst' work.
Create /vcap/store and /vcap/shared directries
Separate the main library file
Introduce BOSH code base
Remove the run-job command

Moved to monit to launch processes.
Rename 'deploy_config' to 'deploy_manifest'
Refactor tests
Rename methods
Do not output logs to the default logger
Create required directories in advance
Update Gemfile to remove a yanked version of net-ssh-gateway
Add `apt-get update` before installing apt packages
Add default values to non-target job definitions
Add --keep-monit-files option

Added not to delete existing monit files when install multiple jobs.
Require psych to parse YAML data correctly with Ruby 1.9.2
Setup missing directories and harden file permissions

The file permission of files in the `bin` directory is changed to 0750 because `harden_permission` removes all privileges from others.
Fix typos and a missing link
Add Links
Merge branch 'master' into v2