Gluon versions used for specific Lübeck Freifunk Firmware builds: * 0.4~1-beta2 (0.4 Beta 2): 2c751d3612a7229de878c40ae724611f2f4f0bee * 0.3.100-beta1 (0.4 Beta 1): 55a068104fa072ea7cd2decac9584a8f619badbf