Merge into master from pull request #269:
java/OFMatchV3Ver13: bugfix for MatchFieldIterator (https://github.com/floodlight/loxigen/pull/269)
add bsn_tcp_flags extension

This extension adds an OXM to support matching on TCP flags.
Merge into master from pull request #270:
add bsn_tcp_flags extension (https://github.com/floodlight/loxigen/pull/270)
Add TLVs for switch config.
Use a more specific crc tlv instead.
Merge into master from pull request #271:
Add TLVs for CRC config. (https://github.com/floodlight/loxigen/pull/271)
openflowj: fix u16obj read/write

Fixes the bsn_tcp_flags OXM.
Merge into master from pull request #273:
openflowj: fix u16obj read/write (https://github.com/floodlight/loxigen/pull/273)
loci: generate match tables from the IR

This removes most of the manual work from adding a new OXM. As a side effect,
it fixes locitest so it doesn't try to test OpenFlow 1.3 OXMs with an OF 1.2
message.
loci: address review comments
Merge into master from pull request #274:
loci: generate match tables from the IR (https://github.com/floodlight/loxigen/pull/274)
Add more port counters.
Merge into master from pull request #275:
Add more port counters. (https://github.com/floodlight/loxigen/pull/275)
java_gen: add PrimitiveSinkUtils