Merge branch 'devel-2.2'
* devel-2.2:
Add simple unittest for utils.CommaJoin
LUDelTags: Improve formatting of error message
LUGetTags: Acquire locks in shared mode
gnt-cluster: Replace hardcoded “xenvg” with value retrieved from master
Export VG name via LUQueryConfigValues
RAPI QA: Override MAC address when moving instance
move-instance: Allow overriding instance parameters
cli: Move parsing of --net option to separate function
kvm: collapse two consecutive extend calls
kvm: Introduce support for -mem-path
Conflicts:
test/ganeti.cli_unittest.py: Trivial
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>