Merge pull request #23 from vincent-zurczak/master

Fixes #22
Bash plugin refactor. Scripts goes under scripts/ and fail if script is not found
Merge pull request #24 from chamerling/bash

Bash plugin refactor
Refactoring of the Puppet plugin
Merge remote-tracking branch 'upstream/master'

Conflicts:
	roboconf-plugin-bash/src/main/java/net/roboconf/plugin/bash/PluginBash.java