RainerWinkler / RW_Pharo_improvements

This contains improvements to Pharo I consider needed.

To load:

Gofer new
    smalltalkhubUser: 'RainerWinkler' project: 'RW_Pharo_improvements';
    package: 'GT-Playground';
    load.

Contains: 1. Deactive publishing to the cloud. If this is accidentally done for confident content, it is not possible to remove this content in an easy and reliable way. See http://ws.stfx.eu/ for further informations about the deactivated cloud storage.