refactor cc-server initializer; remove unused variable; tighten drb ACL
added utility helpers for knife.rb and config.rb
refactor knife.rb path
refactor test lab SSH and Drb handling
refactor logging
load the cucumber-chef config
fixed incorrect parameter value
logger refactor
cleanup commands
don't bash -c for ssh
refactor chef client config; refactor logging
refactor logging
fix omnibus path
refactors; add helpers for loading configuration and knife;
refactor ssh method; add proxy_ssh method for containers
close ssh only if open; log command output
use newer load_knife method over load_knife_config
beef up command methods; added better general logging and exception logging
refactors; use new methods; use new tag pattern
refactors; use new methods; use new tag pattern; refactored out ssh code blocks for test lab ssh helper methods; add log task for streaming local and remote cucumber chef logs at the same time