PARQUET-371: update thrift dependency to 0.9.3; do not shade slf4j
PARQUET-371: update thrift dependency to 0.9.3; do not shade slf4j

Author: Julien Le Dem <julien@dremio.com>
Author: Julien Le Dem <julien@apache.org>

Closes #50 from julienledem/update_thrift and squashes the following commits:

f5db375 [Julien Le Dem] update travis
e30ad8f [Julien Le Dem] update thrift dependency; do not shade slf4j

laurentgo/parquet-mr,laurentgo/parquet-mr,HyukjinKwon/parquet-mr,HyukjinKwon/parquet-mr-1,HyukjinKwon/parquet-mr,laurentgo/parquet-mr,HyukjinKwon/parquet-mr-1,apache/parquet-mr,apache/parquet-mr,apache/parquet-mr,SinghAsDev/parquet-mr,HyukjinKwon/parquet-mr-1,SinghAsDev/parquet-mr,HyukjinKwon/parquet-mr,SinghAsDev/parquet-mr