added help texts for all plugins
fixed 'encryption status' bug in 'volume_details'
improved rendering of 'volume_properties' and 'user_manager'
chmod root directory of mounted volumes to 0777 to avoid later permission problems for samba or WebDAV
finished unittests for plugin disks
finished unittests for plugin help
finished unittests for plugin language_selection
finished unittests for plugin logs
finished unittests for plugin network
finished unittests for plugin plugin_manager
finished unittests for plugin shutdown
finished unittests for plugin system_preferences
finished unittests for plugin user_manager
added english 'translations' to all plugins (by copying msgid to msgstr)
plugin plugin_manager: prevent browser from caching repeatitive actions
plugin plugin_manager: add support for properties/volume visibility
plugins: moved message handling to central header file (templates/header.cs)
splitted 'volume_props' into 'volume_rename' and 'volume_chpasswd'
volume_props: turned into a container for small property changes
renamed 'format_fs' to 'volume_format_fs'
moved inclusion of 'show_volume_[header|footer].cs' to central header file
lars