New terms for refineries and reactors (#1184)

* NT: nuclear reactor and subtypes. For gold

* New terms:
http://purl.obolibrary.org/obo/ENVO_02000139 used for transport of
http://purl.obolibrary.org/obo/ENVO_02000145 used for processing of
http://purl.obolibrary.org/obo/ENVO_02000137 nuclear power reactor
http://purl.obolibrary.org/obo/ENVO_02000138 mangrove biome soil
http://purl.obolibrary.org/obo/ENVO_02000141 refinery
http://purl.obolibrary.org/obo/ENVO_02000142 petroleum oil refinery
http://purl.obolibrary.org/obo/ENVO_02000143 sugar refinery
http://purl.obolibrary.org/obo/ENVO_02000144 natural gas processing plant

* inorcorporating Piers requests

* removed stale comments; OBI planned process now used

* removed used-in relations as per comments on #1184

* more nuclear work. See also #1190

* addressing final comments #1190