Add various symbols
Atmel ATmega256RFR2 (802.15.4 wireless MCU)
Johanson 2450FB15L0001 (balun for ATmega256RFR2)
TI LM3405A (1A LED driver)
Generic PTC resettable fuse
Add PCB trace antenna for 2.4GHz
according to TI DN0007 Inverted F Antenna reference design