Backend-ai

------------------

**FIX**

- Make the colored terminal output working on Windows (12)

------------------

**FIXES**

- Include missing dependencies: multidict

- Improve Windows platform supports (12)

**CHANGES**

- Install asyncio-based dependencies by default (aiohttp and async_timeout)

------------------

**CHANGES**

- Rename the product name "Sorna" to "Backend.AI".
- Package import path: "sorna" → "ai.backend.client"
- Class names: "SornaError" / "SornaAPIError" → "BackendError" / "BackendAPIError"
- Any mention of "Sorna" in the API headers → "BackendAI".
e.g., "X-Sorna-Version" API request header → "X-BackendAI-Version"

- Refactor the internal structure for sync/async API functions.

- Add support for the Admin API based on GraphQL both in the CLI and the functions.
Now you can list up details of your compute sessions with ease.

-------------------

**FIX**

- Fix and improve version reference mechanisms.

- Fix missing import error vanished during hostfix cherrypick

-------------------

**IMPROVEMENTS**

- It now applies the same UID to the spawned containers if they have the "uid-match"
feature label flag. (backported from develop)

-------------------

**NOTICE**

- The package name will be changed to "backend.ai-manager" and the import
paths will become ``ai.backend.manager.something``.

**CHANGES**

- Let it accept "BackendAI" API requests as well for future compatibility.
(39)