This PR adds support to connect MCS to minio instances running TLS with
self-signed certificates or certificates signed by custom
Certificate Authorities
```
export MCS_MINIO_SERVER_TLS_ROOT_CAS=file1,file2,file3
```
Note: TLS Skip Verification is not supported unless there's a clear need
for it
adds new functionality for creating a service
account for a user, for this, an admin client
is created with the user credentials so that
the service account can be assigned to him.
This also updates to minio RELEASE.2020-04-28T23-56-56Z
* Added structure to swagger
* Added updateUserGroups handlers
* Updated return definition for user groups.
* Logic rewrite
* Removed logs
* Added some tests to updateUserGroups
* lint fix
* Updated tests for the new API
* Lint
* Added comment about why we are setting this groups individually. & more lint fixes
* Updated tests page
* Added more tests & fixed comments for PR
* Lint utils file
* Fixed import orders
* Changed import order
Co-authored-by: Benjamin Perez <benjamin@bexsoft.net>
