Powersupply was inverted, fixed! cleaning up the traces.
Fottprint of Bluetooth Modules where to wide - fixed.
changed powersupply pads. changed GND <-> VCC on P11 and P8.
moved power connector to avoid via. modified areas of sub PCBs.
DCF77, RFM12B selection via jumper.
Added juper rfm12b / dcf77.
added text and logo.
updated svg files to review the pcb layout