Merge autotest and virttest cgroup_utils library

Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
client.shared.utils_cgroup: Apply modifications from virttest version

Apply modifications which were accepted in virttest version of this
library.

Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
utils/check_patch.py: fix error while formatting string

Signed-off-by: Cleber Rosa <crosa@redhat.com>
client/kernel_unittest.py: unittest fix

Signed-off-by: Cleber Rosa <crosa@redhat.com>
gitignore: remove client tests paths

Client tests are now in separate repo

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
client/kernel.py: fix various mistypes

- Pass make_opt argument during modules compilation as we do
  during vmlinux compilation
- fix mistype in apply_overrides()

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
client/kernel_unittest.py: add empty value for make_opts

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Merge pull request #683 from ldoktor/framework

Merge autotest and virttest cgroup_utils library