Add barebone dummy driver and opennebula driver
Successfully imported dummy cluster
Use require_relative
Include pragma-makeover script
Merge branch 'master' into opennebula

# By Luca Clementi
# Via Luca Clementi
* master:
  readme: add number of cpus per node to vc-out.xml
  pragma_boot: added debug options which print only commands
  pragma_boot: remove debugging functions
  pragma_boot: now boot all the compute nodes in the cluster
  pragma_boot: code refactoring for supporting deployment of compute node
Finished implementing the part related to OpenNebula API
Implement gz extraction (simple)
Merge branch 'devel_new_drivers_style' into devel_opennebula_driver

# By Luca Clementi
# Via Luca Clementi
* devel_new_drivers_style: (22 commits)
  drivers: now it allocate cluster with proper frontend name
  drivers: remove deployment of ssh key since now it is in vc-out.xml
  drivers: use standard bash sintax
  add fqdn of frontend to the vc-out of compute nodes
  pragma: redirect stderr to stdout when running drivers
  drivers: support uncompressed images in the vc-in.xml
  drivers: use the proper file name for vc-out.xml
  readme: fix typo
  drivers: fix copy operation
  drivers: new added support for compute node boot to new dirvers
  drivers: add ssh key to vc-out
  pragma_boot: added ssh keys to vc-out
  readme: add ssh key to vc-out
  readme: fix formating
  readme: fix typos
  fix the num_compute num_cpus arguments
  pragma_boot: check if the VM images are there before proceeding
  pragma_boot: now supports the new dirvers format
  readme: added some requirements to the VC for pragma section
  readme: add sequence of invocation
  ...
Update OpenNebula driver to use new driver style
Add more log messages
Change default timeout
Remove (broken) image auto-decompression support
Add more log messages
Set timeout to very high value
Merge conflicts
A lot of bug fixes
Modify context script for dock6 and rocks-204
Merge branch 'devel_opennebula_driver'