update loci to 5c2c4f7cf3b46e1e84d773256cf7ee8f387bff0c

This includes the bsn_in_ports extension.
Merge into master from pull request #47:
update loci to 5c2c4f7cf3b46e1e84d773256cf7ee8f387bff0c (https://github.com/floodlight/indigo/pull/47)