Invenio-Client v0.1.0

*The-First-Snow-Release :tm:*
 
Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
A phrase explaining the past may be helpful:

```
Invenio-Client has been originally developed within the Invenio software package.  Please consult Invenio release notes for prior history, or just see the git commit log that has been preserved in the standalone repository.
```