Add extension to the LICENSE file
Add extension to the LICENSE file

to match the other standard text files at the root of the repo.
ngageoint/hootenanny-ui,openstreetmap/iD,digidem/iD,1ec5/iD,morray/iD,AndreasHae/iD,digidem/iD,bagage/iD,mapmeld/iD,AndreasHae/iD,mapmeld/iD,AndreasHae/iD,1ec5/iD,openstreetmap/iD,morray/iD,ngageoint/hootenanny-ui,bagage/iD,1ec5/iD,mapmeld/iD,ngageoint/hootenanny-ui,openstreetmap/iD,bagage/iD,kartta-labs/iD,kartta-labs/iD,kartta-labs/iD