update icmp packet_in reasons
Merge into master from pull request #173:
java_gen: small improvements to gen_table/tlv extensions (https://github.com/floodlight/loxigen/pull/173)
Merge into master from pull request #174:
update icmp packet_in reasons (https://github.com/floodlight/loxigen/pull/174)
java_type: remove hard coded superclass information

this fixes a bug with the experimenter_stats_request type
hierarchy (and removes duplication of code and generally
make things more awesome)
Merge branch 'master' of github.com:floodlight/loxigen