v1.5.1 - Add permissions to applications on creation

Note: Permissions are usually referred to as usergroups

This release is intended to be used with OS2IoT-Backend release v1.5.2

What's Changed

• It is now possible to add permission to application on creation by @fcv-iteratorIt in #138
• Added organization filter to permissions by @fcv-iteratorIt in #139

Full Change log: v1.5.0...v1.5.1