New docker versions use "docker" in /proc/1/cgroup, which disturbs the
virtualization_type detection. So, grep for docker, in addition of
"lxc".

Add note on block properties

inventory for implementation

python2.4 compatibility issue with urlparse

Fix detecting distribution release on OpenSuSE

Inventory Plugin to get hostgroups from FreeIPA

Use https for git submodules

Remove no-op string declaration

Typo: recieve -> receive.

Ansible raised exception during parsering /etc/SuSE-release file.
Regular expresion should use string instead of list.
Fix tested on OpenSuse 13.1

Fixes a case where the variable 'foo' may exist, but the with_items loop
was used on something like 'foo.results', where 'results' was not a valid
attribute of 'foo'. Prior to this patch, conditionals were not evaluated
until later, meaning there was no opportunity to allow a test to skip the
task or item based on it being undefined.

support for Mandriva.

Fixes #9282

This fixes the case in which the delegated to host may not be in the
specified hosts list, in which cases facts/vars for the host were
not available in the injected hostvars.

This also fixes the inventory variable fetching function, so that an
unknown host raises a proper error as opposed to a NoneType exception.

Fixes #8224