acu150281 use a local thrift RPC timeout that is 2x the server-enforced timeout; ensure that we always let the server timeout, never ourselves
acu150281 bump version and gemspec
Merge pull request #115 from rightscale/salmon_14_02_acu150281_rpc_timeout

Always let the thrift server announce RPC timeouts (assuming cassandra default of 10 sec timeouts)