gettext support is now optional - otherwise only english is delivered
fixed GPG_SUPPORT: a missing module does not break the code anymore
subscription log added
moved gettext dependency from code to packaging - the perl gettext support in sarge seems to be broken
removed implementation of 'ui_set'
fixed gnupg support
improved gettext support (still needs some testing)
Encode module is now optional (instead of being required)
setting "LANGUAGE_DIR" is now deprecated
moved english language file to template directory
added gettext translation of english language template
available interface languages are now configured via LANGUAGE_LIST