openstacksdk bug/1588823 exist, no good way to add __version__ for
openstack module properly, fix the issue in osc side, make openstacksdk
module information be available.
Change-Id: I27ff61792443d1aa07f31598bed3aa32f924ff40
Partial-Bug: #1662058
Combine "test_module_list_no_options" and "test_module_list_with_all_option"
into one test, and modify the test for "--all' option.
Change-Id: If4e7a73502a888c50de17ec19ef7e8d02dd23f1d
KeyError cause the command "module list --all" failed,
fix it, and do refactor to filter private modules and
reduce the loop times, add related unit tests and
functional tests.
Change-Id: Icd77739502e05b5f763a04a92547497bf82d5d63
Closes-Bug: #1661814
