Removes materialized meta code. Removes thesausrus based on wordnet code. On maximal phrases and single words stores up to 11 bytes of orginal as part of key. When shards now added to dictionary, dictionary info removed from shard. Does a check on amount of link text now before adding link as a link_doc to index, a=chris

Removes materialized meta code. Removes thesausrus based on wordnet code. On maximal phrases and single words stores up to 11 bytes of orginal as part of key. When shards now added to dictionary, dictionary info removed from shard. Does a check on amount of link text now before adding link as a link_doc to index, a=chris