Merge into master from pull request #46:
Update loci and default OF port. (https://github.com/floodlight/indigo/pull/46)
- Allow a separate specification for the base build directory.
- Remove BUILD_DIR overrides in favor of BUILD_DIR_BASE.
Merge branch 'master' of github.com:floodlight/indigo
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)