Added nested virtualization support to autoamtion-tools.

This support is intentionally kept optional, as nested_virt is
not enabled by default. That is this module is not loaded by the
kernel until set.
Configures the needed module to enable nested virtualization
Merge pull request #84 from kbidarkar/add-provisioning-support

Added nested virtualization support to autoamtion-tools.
Merge pull request #85 from kbidarkar/check-nested-support

Configures the needed module to enable nested virtualization
Update egrep to grep -E

    egrep is the same as grep -E. fgrep is the same as grep -F. rgrep is the
    same as grep -r. Direct invocation as either egrep or fgrep is
    deprecated, but is provided to allow historical applications that rely
    on them to run unmodified.
Merge pull request #86 from elyezer/deprecate-egrep

Update egrep to grep -E
Normalize distribution argument to lower case

Do not force users to type lowercase when running product_install task.
Merge pull request #87 from elyezer/distrib-lower

Normalize distribution argument to lower case
Improve distro_info and update subscribe task

Improve distro_info to return minor OS version.

Also update subscribe task to register for an specific release.
Merge pull request #88 from elyezer/improve-distro-info

Improve distro_info and update subscribe task
added update_rpms
Revert "added update_rpms"

This reverts commit 1da82069973a172a85c7829f3ccb31936111cd82.
update_rpms functionality
update_rpms functionality
clean up style a bit, add warn
Merge pull request #89 from cswiii/master

update_rpms functionality
Does not import automation tools on setup

Not importing automation tools will not raise ImportError due to on
setup time Fabric dependency would not be available.

Fixes #80
Improve setup_abrt task

First check if the rubygem-smart_proxy_abrt is available. If available
proceed with the installation, else print a warning and do anything.

Closes #70
Merge pull request #91 from elyezer/improve-setup

Does not import automation tools on setup
Merge pull request #93 from elyezer/improve-setup-abrt

Improve setup_abrt task