This board uses a ST-Link/V2-1 interface. I don't know what differences there are between v2 and v2-1, but they seem to be small enough that first tests worked as expected.
* STM32L151CB (custom board)
* STM32L152RB (STM32L-Discovery board, custom board)
-Please report any and all known working combinations so I can update this!
+STLink v2-1 (as found on the Nucleo boards)
+Known Working Targets:
+* STM32F401xx (STM32 Nucleo-F401RE board)
+Please report any and all known working combinations so I can update this!