First version of Docker IaaS
Component name is now passed to update scripts (puppet + bash): closes
issue #98 .
Exit codes are also properly handled when invoking puppet: fixes issue
#123 .
Merge remote-tracking branch 'origin/master'
Added iaas-docker module
Added JUnit tests for Docker IaaS.
Try to fix docker config when needed for tests.
Merge pull request #127 from gibello/master

Bash plugin fixes/enhancements + Docker IaaS (1st version)