Added BSONSerDe, plus unit tests. Added option to build Hive with sbt.
Added MongoStorageHandler + accompanying input and output files.
Added example hive script that works with enron data.
Made it possible to map MongoDB fields to hive columns.
Started on the hive README. Added MongoDB copyleft to all files.
Updated tests to use only HDFS for BSON. Changed bsonType to bsontype.