ext dicts
ext dicts and pl.aff
NO_NOUN_NOUN for nouns and NOT_AS_OBJ for verbs
dictionaries: replaced MODAL with NOT_AS_OBJ
replaced ONLY with TAKES_ONLY_W for verbs, validation of semantic opts in dictionaries and sentences
turned off warnings in poeta.rb
dict bugfixing
missing OBJ_FREQ for verb, added simpleconv and Gemfile