update_config.py: adjusted functions stuff to renamed settings. Finally renamed update_config_0.4.x-0.5.py to update_config.py - no more version information in the filename. *.sh: removed .svn directory exclusion from find command.

- Aliases
    - avoid looping aliases

- Domain
    - optional limits for number of:
        + accounts
        + aliases
        + destinations/alias
        + alias domains