virttest.virsh: Add APIs for vol-clone and vol-wipe

Signed-off-by: Yanbing Du <ydu@redhat.com>
parse sysinfo files and insert a short summary to result

Signed-off-by: Amos Kong <akong@redhat.com>
virttest: Fix uncompress_asset

Fix a mismatch in the uncompress command to allow it to work also with the other compression types.
test providers: Update test provider URIs

It is more likely that people will have trouble with
pulling git repos out of https than git. Also, git
performance is better, so let's update.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #1490 from autotest/update-provider-uri

test providers: Update test provider URIs
Merge pull request #1486 from pepi-enea/master

virttest: Fix uncompress_asset
Merge pull request #1484 from kongove/tmp

insert a summary of host hardware infomation
Merge pull request #1478 from will-Do/vol_api

virttest.virsh: Add APIs for vol-clone and vol-wipe