Rename file NumberWords to Lexicons.
TokenNormalizer1: Remove print statement.  
Normalize space-separated dash to --.
Token: New boolean functions querying surrounding space.
Tokenizer1: Better handling of HTML style and script.  
 More place suffixes and abbrevs;
 all non-vowel sequences are candidate abbrevs.
Merge branch 'master' of git@github.com:factorie/factorie.git