Add Silicon Labs Si4362 High-Performance, Low-Current Receiver.
Bring Si4362 symbol more in line with the rest of the KiCad symbols.
Modify pin length, pin positions and field text sizes to adhere to the KLC.
Reduce pin lengths to 150 mil, reduce pin labels and numbers to 50 mil, remove NC pins.
Merge.
Fix merge error.
Merge pull request #80 from henrikbrixandersen/silabs

Add Silicon Labs Si4362 High-Performance, Low-Current Receiver.