Add opengever/3.0.2 and customer specific 3.0.2 KGSs

Add `opengever/3.0.2` and `opengever-zug/3.0.2`.

**Changes:**

##### `opengever/3.0.2`:

- `ftw.tika = 2.0.1` (bumped from `1.1.1`)
- `opengever.core = 4.0.6` (bumped from `4.0.5`)

##### `opengever-zug/3.0.2`:

- Dropped pinning for `ftw.tika`

##### `opengever-zug/3.0.1`:

- Removed `Not final` comment

##### `opengever-ai/3.0.2`:

- Nothing changed compared to `3.0.1`

##### `opengever-sg/3.0.2`:

- Nothing changed compared to `3.0.1`

@phgross 
Could you drop that comment, unnecessary in my opinion...