* 'VirtualMailManager/Alias.py'
    - replaced all »« with ''
* 'VirtualMailManager/Account.py'
    - replaced all »« with ''
    - added Account.setPassword()
* 'VirtualMailManager/VirtualMailManager.py'
    - replaced all »« with ''
    - added VirtualMailManager._readpass()
    - check if domain/account exists before prompting for password
      (VirtualMailManager.user_add(), VirtualMailManager.user_password())
* 'vmm'
    - removed _readpass()
* 'UPGRADE'
* 'upgrade.sh'
    - added to repository again
* 'po/vmm.pot'
* 'po/de.po'
    - updated
If you still have installed vmm 0.3.x you have to proceed this step first:
    * upgrade your vmm installation to version 0.4
If you have installed vmm 0.4 you have to proceed this step:
   * execute upgrade.sh
else
     * read INSTALL