Updated tests. minor.
Merge remote-tracking branch 'origin/master'

Conflicts:
	Gemfile.lock
Support for code config.
Changed env back to test.
Support for remote Gemfile.
Fix PIP support
automatic directory location search
Merge pull request #130 from thousandsofthem/python-fix-pip

Fix PIP support
Merge branch 'master' of github.com:iron-io/iron_worker_ruby_ng
Note on pips in README and switching to python -u.
Note on pips in README.
Ruby 1.8 compatibility
Ruby 1.8 compatibility
Ignoring installed pips.
Merge remote-tracking branch 'origin/master'
minor
Merge branch 'master' into new_config_param

Conflicts:
	Gemfile.lock
Updated gems.
Added host to cli.
Merge pull request #129 from iron-io/new_config_param

Support for new config param on code upload