Blobber kill shutdown

[Sriep]

Changes

• Add wrappers for kill, shut down and health checks for providers

Fixes

Tests

Tasks to complete before merging PR:

• [ ] Ensure system tests are passing. If not Run them manually to check for any regressions :clipboard:
• [ ] Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• [ ] Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• blobber:
• 0chain: https://github.com/0chain/0chain/pull/1439
• system_test:
• zboxcli: https://github.com/0chain/zboxcli/pull/270
• zwalletcli:
• Other: ...
• Replaces https://github.com/0chain/gosdk/pull/502

[service-0chain]

Manual system tests [failure] with the following config

config	value
tests skipped	FALSE
system-tests	master
gosdk	blobber_kill_shutdown
zboxcli	staging
zwalletcli	staging
0chain	provider_changes
blobber	staging
authorizer	staging
0box	staging
0block	staging
0dns	staging
explorer	staging
0proxy	staging
0search	staging

[service-0chain]

Manual system tests [cancelled] with the following config

config	value
tests skipped	FALSE
system-tests	master
gosdk	blobber_kill_shutdown
zboxcli	staging
zwalletcli	staging
0chain	provider_changes
blobber	staging
authorizer	staging
0box	staging
0block	staging
0dns	staging
explorer	staging
0proxy	staging
0search	staging

[Sriep]

close will redo if we need this later.