changed warning/success message system to a new style
unified design of "hints" in form interfaces
fixed small bugs in "network" and "partition" plugin interfaces
"partition" and "disks" plugins: show blockdevice size during device selection
german translation for "disks" plugin added
plugin interface changed ("prepareForm" removed)
plugins do not raise exceptions anymore
first part of the partitioning plugin
device-specific stuff moved to CryptoBoxTools