Added conditionals for running on CernVM and Debian but without package installation.
Fixed some bugs with the condor configuration for the Cloud Scheduler node role.
Added an override of the osfamily fact for CernVM.
Removed extraneous comments at the end of the class parameter list, for compatibility with older puppets.
Added an empty parameter list.
Removed dependence on cvmfs::client in grid_setup.pp. Added use_cvmfs
conditional in init.pp to accomodate for CernVM. Added a conditional not to
install packages under CernVM.
Changed location of job wrapper script for CernVM.
Merge pull request #7 from spiiph/dev

Made atlas_site variable optional. Added use_gridftp2 variable for the csnode role.
Merged changes for CernVM compatibility.