updated all Thrift bindings using the latest version of the Thrift compiler.

Thrift compiler verison: v0.9.1
Cassandra thrift definition version: 19.38.0
(https://raw2.github.com/apache/cassandra/trunk/interface/cassandra.thrift)
Merge pull request #149 from Aaronontheweb/thrift-upgrade

updated all Thrift bindings using the latest version of the Thrift compi...