redhat_subscription calls AnsibleModule() without argument_spec

The Rhsm object requires an AnsibleModule but it isn't created with an argument_spec and fails.  Since the rhn.module is set directly after, setting None for the required argument of Rhsm fixes the module.
Fixed cwd for submodules update
Merge pull request #6814 from lonerr/devel

Fixed cwd for submodules update
Merge pull request #6803 from aresch/patch-1

redhat_subscription calls AnsibleModule() without argument_spec
Remove limitation on number of files for encrypt subcommand in ansible-vault