apply_size_from_tdl
Merge pull request #39 from spil-robert/apply_size_from_tdl

Apply disk size from template
Adding command class
Corrections from shardy. thx
typo
PEP8 corrections
Command declaration not usefull
Default behaviour when command fails is making an error, not ignoring.
add class GroupsHandler(object):
class UsersHandler(object): has been added
add default shell for users
zaneb corrections. thx
Uncomment Commands (debug)
Correct bug cwd/env
Merge branch 'master' of https://github.com/pfreund/heat-jeos.git