Update tests
Merge remote-tracking branch 'upstream/master'
Refactoring of puppet plugin + minor fixes.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	roboconf-plugin-puppet/src/main/java/net/roboconf/plugin/puppet/PluginPuppet.java
Instance files were deleted too early (causing an NPE at undeploy).
Fixed.
Merge pull request #43 from gibello/master

Refactoring of puppet plugin