mount/umount moved to separate volume plugins
volume name change moved to 'volume_props' plugin
webinterface for password change (luks) added
attribute "pluginCapabilities" added to plugins
attribute "requestAuth" added to plugins
http authentication implemented (for now: static user database)
plugin interface changed ("prepareForm" removed)
plugins do not raise exceptions anymore
first part of the partitioning plugin
device-specific stuff moved to CryptoBoxTools