zizolator: Added a raft

Allows printing without the 'sharp' corners
coming off the place

Signed-off-by: Michel <buserror@gmail.com>
olimexino-case: New part

A small case and/or tray configuration for the
olimex atmega arduidiot clones.
servo casing: new part

9g servo 'craddle' to glue in foam wings.

Signed-off-by: Michel <buserror+git@gmail.com>