Bumps theremometer version to improve output.
Adds ability to derive hive schema for complex thrift types.
Changes ScroogeStructConverter to handle nested list and maps.
Adds test for reading and writing nested parquest structures.
Adds test for reading and writing parquet files with large thrift
structs.

This closes #52.
Fixes ParquetIntrospectToolsSpec to work with the latest version of Thermometer.
Changes travis to automatically run tests for the tools project.
Disables fromEnum test in ParquetIntrospecToolsSpec.

Something is not working with enums. This is tracked as #49.

Since we currently don't need enum support I disabled the test until we
can track this down.
Changes versions to CDH5 dependencies.

Also tidied up build.scala.